Nirupama Putcha

Assistant Professor

20072020

Research output per year

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Research Output

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Article
2020

Associations Among 25-Hydroxyvitamin D Levels, Lung Function, and Exacerbation Outcomes in COPD: An Analysis of the SPIROMICS Cohort

SPIROMICS investigators, Apr 2020, In : CHEST. 157, 4, p. 856-865 10 p.

Research output: Contribution to journalArticle

Disease progression modeling in chronic obstructive pulmonary disease

Young, A. L., Bragman, F. J. S., Rangelov, B., Han, M. K., Galbán, C. J., Lynch, D. A., Hawkes, D. J., Alexander, D. C., Hurst, J. R., Crapo, J. D., Silverman, E. K., Make, B. J., Regan, E. A., Beaty, T., Begum, F., Castaldi, P. J., Cho, M., DeMeo, D. L., Boueiz, A. R., Foreman, M. G. & 164 others, Halper-Stromberg, E., Hayden, L. P., Hersh, C. P., Hetmanski, J., Hobbs, B. D., Hokanson, J. E., Laird, N., Lange, C., Lutz, S. M., McDonald, M. L., Parker, M. M., Qiao, D., Regan, E. A., Silverman, E. K., Wan, E. S., Won, S., Sakornsakolpat, P., Prokopenko, D., Qaisi, M. A., Coxson, H. O., Gray, T., Han, M. K., Hoffman, E. A., Humphries, S., Jacobson, F. L., Judy, P. F., Kazerooni, E. A., Kluiber, A., Lynch, D. A., Newell, J. D., Regan, E. A., Ross, J. C., Estepar, R. S. J., Schroeder, J., Sieren, J., Stinson, D., Stoel, B. C., Tschirren, J., Van Beek, E., Van Ginneken, B., Van Rikxoort, E., Washko, G., Wilson, C. G., Jensen, R., Everett, D., Crooks, J., Moore, C., Strand, M., Wilson, C. G., Hokanson, J. E., Hughes, J., Kinney, G., Lutz, S. M., Pratte, K., Young, K. A., Bhatt, S., Bon, J., Han, M. K., Make, B. J., Martinez, C., Murray, S., Regan, E. A., Soler, X., Wilson, C. G., Bowler, R. P., Kechris, K., Banaei-Kashani, F., Curtis, J. L., Martinez, C. H., Pernicano, P. G., Hanania, N., Alapat, P., Atik, M., Bandi, V., Boriek, A., Guntupalli, K., Guy, E., Nachiappan, A., Parulekar, A., DeMeo, D. L., Hersh, C. P., Jacobson, F. L., Washko, G., Barr, R. G., Austin, J., D'Souza, B., Pearson, G. D. N., Rozenshtein, A., Thomashow, B., MacIntyre, N., McAdams, H. P., Washington, L., McEvoy, C., Tashjian, J., Wise, R. A., Brown, R., Hansel, N. N., Horton, K., Lambert, A., Putcha, N., Casaburi, R., Adami, A., Budoff, M., Fischer, H., Porszasz, J., Rossiter, H., Stringer, W., Sharafkhaneh, A., Lan, C., Wendt, C., Bell, B., Foreman, M. G., Berkowitz, E., Westney, G., Bowler, R. P., Lynch, D. A., Rosiello, R., Pace, D., Criner, G., Ciccolella, D., Cordova, F., Dass, C., D'Alonzo, G., Desai, P., Jacobs, M., Kelsen, S., Kim, V., Mamary, A. J., Marchetti, N., Satti, A., Shenoy, K., Steiner, R. M., Swift, A., Swift, I., Vega-Sanchez, M. E., Dransfield, M., Bailey, W., Bhatt, S., Iyer, A., Nath, H., Wells, J. M., Ramsdell, J., Friedman, P., Soler, X., Yen, A., Comellas, A. P., Hoth, K. F., Newell, J. D., Thompson, B., Han, M. K., Kazerooni, E. A., Martinez, C. H., Billings, J., Begnaud, A., Allen, T., Sciurba, F., Bon, J., Chandra, D., Fuhrman, C., Weissfeld, J., Anzueto, A., Adams, S., Maselli-Caceres, D. & Ruiz, M. E., Feb 1 2020, In : American journal of respiratory and critical care medicine. 201, 3, p. 294-302 9 p.

Research output: Contribution to journalArticle

Immunoglobulin E as a biomarker for the overlap of atopic asthma and chronic obstructive pulmonary disease

COPDGene® Investigators, Jan 1 2020, In : Chronic Obstructive Pulmonary Diseases. 7, 1, p. 1-12 12 p.

Research output: Contribution to journalArticle

Open Access
2019

Aspirin Use and Respiratory Morbidity in COPD: A Propensity Score-Matched Analysis in Subpopulations and Intermediate Outcome Measures in COPD Study

SPIROMICS investigators, Mar 2019, In : CHEST. 155, 3, p. 519-527 9 p.

Research output: Contribution to journalArticle

Chronic obstructive pulmonary disease in America's black population

Ejike, C. O., Dransfield, M. T., Hansel, N. N., Putcha, N., Raju, S., Martinez, C. H. & Han, M. L. K., Aug 15 2019, In : American journal of respiratory and critical care medicine. 200, 4, p. 423-430 8 p.

Research output: Contribution to journalArticle

COPDGene® 2019: Redefining the diagnosis of chronic obstructive pulmonary disease

Lowe, K. E., Regan, E. A., Anzueto, A., Austin, E., Austin, J. H. M., Beaty, T. H., Benos, P. V., Benway, C. J., Bhatt, S. P., Bleecker, E. R., Bodduluri, S., Bon, J., Boriek, A. M., Boueiz, A. R. E., Bowler, R. P., Budoff, M., Casaburi, R., Castaldi, P. J., Charbonnier, J. P., Cho, M. H. & 92 others, Comellas, A., Conrad, D., Costa Davis, C., Criner, G. J., Curran-Everett, D., Curtis, J. L., DeMeo, D. L., Diaz, A. A., Dransfield, M. T., Dy, J. G., Fawzy, A., Fleming, M., Flenaugh, E. L., Foreman, M. G., Fortis, S., Gebrekristos, H., Grant, S., Grenier, P. A., Gu, T., Gupta, A., Han, M. L. K., Hanania, N. A., Hansel, N. N., Hayden, L. P., Hersh, C. P., Hobbs, B. D., Hoffman, E. A., Hogg, J. C., Hokanson, J. E., Hoth, K. F., Hsiao, A., Humphries, S., Jacobs, K., Jacobson, F. L., Kazerooni, E. A., Kim, V., Kim, W. J., Kinney, G. L., Koegler, H., Lutz, S. M., Lynch, D. A., MacIntye, N. R., Make, B. J., Marchetti, N., Martinez, F. J., Maselli, D. J., Mathews, A. M., McCormack, M. C., McDonald, M. L. N., McEvoy, C. E., Moll, M., Molye, S. S., Murray, S., Nath, H., Newell, J. D., Occhipinti, M., Paoletti, M., Parekh, T., Pistolesi, M., Pratte, K. A., Putcha, N., Ragland, M., Reinhardt, J. M., Rennard, S. I., Rosiello, R. A., Ross, J. C., Rossiter, H. B., Ruczinski, I., Estepar, R. S. J., Sciurba, F. C., Sieren, J. C., Singh, H., Soler, X., Steiner, R. M., Strand, M. J., Stringer, W. W., Tal-Singer, R., Thomashow, B., Sánchez-Ferrero, G. V., Walsh, J. W., Wan, E. S., Washko, G. R., Wells, J. M., Wendt, C. H., Westney, G., Wilson, A., Wise, R. A., Yen, A., Young, K., Yun, J., Silverman, E. K. & Crapo, J. D., Jan 1 2019, In : Chronic Obstructive Pulmonary Diseases. 6, 5, p. 384-399 16 p.

Research output: Contribution to journalArticle

Open Access
Open Access

Nanoparticle diffusion in spontaneously expectorated sputum as a biophysical tool to probe disease severity in COPD

Chisholm, J. F., Shenoy, S. K., Shade, J. K., Kim, V., Putcha, N., Carson, K. A., Wise, R. A., Hansel, N., Hanes, J. S., Suk, J. S. & Neptune, E., Aug 1 2019, In : European Respiratory Journal. 54, 2, 1900088.

Research output: Contribution to journalArticle

Open Access

Omega-3 fatty acid intake and prevalent respiratory symptoms among U.S. adults with COPD

Lemoine, S. C. M., Brigham, E. P., Woo, H., Hanson, C. K., McCormack, M. C., Koch, A., Putcha, N. & Hansel, N. N., May 21 2019, In : BMC pulmonary medicine. 19, 1, 97.

Research output: Contribution to journalArticle

Open Access

Safety and tolerability of comprehensive research bronchoscopy in chronic obstructive pulmonary disease results from the SPIROMICS bronchoscopy substudy

Michael Wells, J., Arenberg, D. A., Barjaktarevic, I., Bhatt, S. P., Bowler, R. P., Christenson, S. A., Couper, D. J., Dransfield, M. T., Han, M. L. K., Hoffman, E. A., Kaner, R. J., Kim, V., Kleerup, E., Martinez, F. J., Moore, W. C., O'Beirne, S. L., Paine, R., Putcha, N., Raman, S. M., Graham Barr, R. & 3 others, Rennard, S. I., Woodruff, P. G. & Curtis, J. L., Apr 2019, In : Annals of the American Thoracic Society. 16, 4, p. 439-446 8 p.

Research output: Contribution to journalArticle

The matrikine acetyl-proline-glycine-proline and clinical features of COPD: findings from SPIROMICS

SPIROMICS Investigators, Nov 12 2019, In : Respiratory research. 20, 1, 1 p.

Research output: Contribution to journalArticle

Open Access

The St. George's Respiratory Questionnaire Definition of Chronic Bronchitis May Be a Better Predictor of COPD Exacerbations Compared With the Classic Definition

COPDGene Investigators, Oct 2019, In : CHEST. 156, 4, p. 685-695 11 p.

Research output: Contribution to journalArticle

2018

Alveolar eosinophilia in current smokers with chronic obstructive pulmonary disease in the SPIROMICS cohort

for the & SPIROMICS investigators, Jan 2018, In : Journal of Allergy and Clinical Immunology. 141, 1, p. 429-432 4 p.

Research output: Contribution to journalArticle

Anemia and adverse outcomes in a chronic obstructive pulmonary disease population with a high burden of comorbidities an analysis from SPIROMICS

on behalf of the SPIROMICS Investigators, Jun 2018, In : Annals of the American Thoracic Society. 15, 6, p. 710-717 8 p.

Research output: Contribution to journalArticle

Association of thrombocytosis with COPD morbidity: The SPIROMICS and COPDGene cohorts

and for the SPIROMICS and COPDGene Investigators, Jan 26 2018, In : Respiratory research. 19, 1, 20.

Research output: Contribution to journalArticle

Asthma-Chronic Obstructive Pulmonary Disease Overlap: Diagnostic and Management Challenges

Ohar, J., Putcha, N. & Bradshaw, M., Oct 1 2018, In : The Journal of family practice. 67, 10, p. S46-S51

Research output: Contribution to journalArticle

Blood eosinophil count thresholds and exacerbations in patients with chronic obstructive pulmonary disease

COPDGene and ECLIPSE Investigators, Jun 2018, In : Journal of Allergy and Clinical Immunology. 141, 6, p. 2037-2047.e10

Research output: Contribution to journalArticle

Centrilobular emphysema and coronary artery calcification: Mediation analysis in the SPIROMICS cohort

Bhatt, S. P., Nath, H. P., Kim, Y. I., Ramachandran, R., Watts, J. R., Terry, N. L. J., Sonavane, S., Deshmane, S. P., Woodruff, P. G., Oelsner, E. C., Bodduluri, S., Han, M. K., Labaki, W. W., Michael Wells, J., Martinez, F. J., Barr, R. G., Dransfield, M. T., Alexis, N. E., Anderson, W. H., Bleecker, E. R. & 35 others, Boucher, R. C., Bowler, R. P., Carretta, E. E., Christenson, S. A., Comellas, A. P., Cooper, C. B., Couper, D. J., Criner, G. J., Crystal, R. G., Curtis, J. L., Doerschuk, C. M., Freeman, C. M., Hansel, N. N., Hastie, A. T., Hoffman, E. A., Kaner, R. J., Kanner, R. E., Kleerup, E. C., Krishnan, J. A., Lavange, L. M., Lazarus, S. C., Meyers, D. A., Moore, W. C., Newell, J. D., Paulin, L., Peters, S., O'Neal, W. K., Ortega, V. E., Paine, R., Putcha, N., Rennard, S. I., Tashkin, D. P., Scholand, M. B., Michael Wells, J. & Wise, R. A., Dec 18 2018, In : Respiratory research. 19, 1, 257.

Research output: Contribution to journalArticle

Genome-wide association study of lung function and clinical implication in heavy smokers

for the SPIROMICS Research Group, Aug 1 2018, In : BMC medical genetics. 19, 1, 134.

Research output: Contribution to journalArticle

Lobar Emphysema Distribution Is Associated With 5-Year Radiological Disease Progression

for the, COPDGene Investigators & COPDGene Investigators, Jan 2018, In : CHEST. 153, 1, p. 65-76 12 p.

Research output: Contribution to journalArticle

Longitudinal phenotypes and mortality in preserved ratio impaired spirometry in the COPDGene study

For the COPDGene Investigators, Dec 1 2018, In : American journal of respiratory and critical care medicine. 198, 11, p. 1397-1405 9 p.

Research output: Contribution to journalArticle

Lower serum IgA is associated with COPD exacerbation risk in SPIROMICS

Putcha, N., Paul, G. G., Azar, A., Wise, R. A., O'Neal, W. K., Dransfield, M. T., Woodruff, P. G., Curtis, J. L., Comellas, A. P., Drummond, M. B., Lambert, A. A., Paulin, L. M., Fawzy, A., Kanner, R. E., Paine, R., Han, M. L. K., Martinez, F. J., Bowler, R. P., Barr, R. G. & Hansel, N. N., Jan 1 2018, In : PloS one. 13, 4, e0194924.

Research output: Contribution to journalArticle

Medication regimens for managing copd exacerbations

Putcha, N. & Wise, R. A., Jun 1 2018, In : Respiratory Care. 63, 6, p. 773-782 10 p.

Research output: Contribution to journalArticle

Occupational exposures and computed tomographic imaging characteristics in the SpiromICS cohort

Paulin, L. M., Smith, B. M., Koch, A., Han, M. L., Hoffman, E. A., Martinez, C., Ejike, C., Blanc, P. D., Rous, J., Graham Barr, R., Peters, S. P., Paine, R., Pirozzi, C., Cooper, C. B., Dransfield, M. T., Comellas, A. P., Kanner, R. E., Brad Drummond, M., Putcha, N. & Hansel, N. N., Dec 2018, In : Annals of the American Thoracic Society. 15, 12, p. 1411-1419 9 p.

Research output: Contribution to journalArticle

Rural residence and chronic obstructive pulmonary disease exacerbations: Analysis of the SPIROMICS cohort

SPIROMICS investigators, Jul 2018, In : Annals of the American Thoracic Society. 15, 7, p. 808-815 8 p.

Research output: Contribution to journalArticle

2017

Acute exacerbations and lung function loss in smokers with and without chronic obstructive pulmonary disease

Dransfield, M. T., Kunisaki, K. M., Strand, M. J., Anzueto, A., Bhatt, S. P., Bowler, R. P., Criner, G. J., Curtis, J. L., Hanania, N. A., Nath, H., Putcha, N., Roark, S. E., Wan, E. S., Washko, G. R., Wells, J. M., Wendt, C. H. & Make, B. J., Feb 1 2017, In : American Journal of Respiratory and Critical Care Medicine. 195, 3, p. 324-330 7 p.

Research output: Contribution to journalArticle

Association of sputum and blood eosinophil concentrations with clinical measures of COPD severity: an analysis of the SPIROMICS cohort

SPIROMICS investigators, Dec 2017, In : The Lancet Respiratory Medicine. 5, 12, p. 956-967 12 p.

Research output: Contribution to journalArticle

Cigarette smoke disrupts monolayer integrity by altering epithelial cell-cell adhesion and cortical tension

Nishida, K., Brune, K. A., Putcha, N., Mandke, P., O’Neal, W. K., Shade, D., Srivastava, V., Wang, M., Lam, H., An, S., Drummond, M. B., Hansel, N., Robinson, D. & Sidhaye, V., Sep 1 2017, In : American Journal of Physiology - Lung Cellular and Molecular Physiology. 313, 3, p. L581-L591

Research output: Contribution to journalArticle

Frequency of exacerbations in patients with chronic obstructive pulmonary disease: an analysis of the SPIROMICS cohort

Han, M. L. K., Quibrera, P. M., Carretta, E. E., Barr, R. G., Bleecker, E. R., Bowler, R. P., Cooper, C. B., Comellas, A., Couper, D. J., Curtis, J. L., Criner, G., Dransfield, M. T., Hansel, N. N., Hoffman, E. A., Kanner, R. E., Krishnan, J. A., Martinez, C. H., Pirozzi, C. B., O'Neal, W. K., Rennard, S. & 27 others, Tashkin, D. P., Wedzicha, J. A., Woodruff, P., Paine, R., Martinez, F. J., Alexis, N. E., Anderson, W. H., Boucher, R. C., Christenson, S. A., Criner, G. J., Crystal, R. G., Doerschuk, C. M., Freeman, C. M., Hastie, A. T., Kaner, R. J., Kleerup, E. C., LaVange, L. M., Lazarus, S. C., Meyers, D. A., Newell, J. D., Oelsner, E. C., Putcha, N., Rennard, S. I., Scholand, M. B., Wells, J. M., Wise, R. A. & Woodruff, P. G., Aug 2017, In : The Lancet Respiratory Medicine. 5, 8, p. 619-626 8 p.

Research output: Contribution to journalArticle

Impact of Physical Activity on Reporting of Childhood Asthma Symptoms

Nnodum, B. N., McCormack, M. C., Putcha, N., Hwang, S., Paulin, L. M., Brigham, E. P., Fawzy, A., Romero, K., Diette, G. B. & Hansel, N. N., Dec 1 2017, In : Lung. 195, 6, p. 693-698 6 p.

Research output: Contribution to journalArticle

Obesity Is Associated With Increased Morbidity in Moderate to Severe COPD

Lambert, A. A., Putcha, N., Drummond, M. B., Boriek, A. M., Hanania, N. A., Kim, V., Kinney, G. L., McDonald, M. L. N., Brigham, E., Wise, R. A., McCormack, M. & Hansel, N., Jan 1 2017, In : Chest. 151, 1, p. 68-77 10 p.

Research output: Contribution to journalArticle

Sex-based genetic association study identifies celsr1 as a possible chronic obstructive pulmonary disease risk locus among women

the COPDGene and Evaluation of COPD Longitudinally to Identify Predictive Surrogate End-Points Investigators, Mar 1 2017, In : American journal of respiratory cell and molecular biology. 56, 3, p. 332-341 10 p.

Research output: Contribution to journalArticle

2016

Agreement Between Results of Home Sleep Testing for Obstructive Sleep Apnea with and Without a Sleep Specialist

Aurora, R. N., Putcha, N., Swartz, R. & Punjabi, N. M., 2016, (Accepted/In press) In : American Journal of Medicine.

Research output: Contribution to journalArticle

Association between expiratory central airway collapse and respiratory outcomes among smokers

Genetic Epidemiology of COPD (COPDGene) Investigators, Feb 2 2016, In : JAMA - Journal of the American Medical Association. 315, 5, p. 498-505 8 p.

Research output: Contribution to journalArticle

Chronic respiratory disease and high altitude are associated with depressive symptoms in four diverse settings

Zaeh, S., Miele, C. H., Putcha, N., Gilman, R. H., Miranda, J. J., Bernabe-Ortiz, A., Wise, R. A. & Checkley, W., Sep 1 2016, In : International Journal of Tuberculosis and Lung Disease. 20, 9, p. 1263-1269 and i

Research output: Contribution to journalArticle

Common Genetic Polymorphisms Influence Blood Biomarker Measurements in COPD

SPIROMICS Research Group & COPDGene Investigators, Aug 2016, In : PLoS genetics. 12, 8, e1006011.

Research output: Contribution to journalArticle

Influence of lung function and sleep-disordered breathing on all-cause mortality: A community-based study

Putcha, N., Crainiceanu, C., Norato, G., Samet, J., Quan, S. F., Gottlieb, D. J., Redline, S. & Punjabi, N. M., Oct 15 2016, In : American journal of respiratory and critical care medicine. 194, 8, p. 1007-1014 8 p.

Research output: Contribution to journalArticle

Risk factors for COPD exacerbations in inhaled medication users: The COPDGene study biannual longitudinal follow-up prospective cohort

The COPDGene Investigators, Feb 10 2016, In : BMC pulmonary medicine. 16, 1, 28.

Research output: Contribution to journalArticle

Open Access

Understanding the impact of second-hand smoke exposure on clinical outcomes in participants with COPD in the SPIROMICS cohort

for the SPIROMICS Investigators, Mar 9 2016, (Accepted/In press) In : Thorax.

Research output: Contribution to journalArticle

2015

Clinical and radiologic disease in smokers with normal spirometry

Regan, E. A., Lynch, D. A., Curran-Everett, D., Curtis, J. L., Austin, J. H. M., Grenier, P. A., Kauczor, H. U., Bailey, W. C., De Meo, D. L., Casaburi, R. H., Friedman, P., Van Beek, E. J. R., Hokanson, J. E., Bowler, R. P., Beaty, T. H., Washko, G. R., Han, M. K., Kim, V., Kim, S. S., Yagihashi, K. & 87 others, Washington, L., McEvoy, C. E., Tanner, C., Mannino, D. M., Make, B. J., Silverman, E. K., Crapo, J. D., Martinez, C., Pernicano, P. G., Hanania, N., Alapat, P., Bandi, V., Atik, M., Boriek, A., Guntupalli, K., Guy, E., Parulekar, A., Nachiappan, A., Hersh, C., Jacobson, F., Barr, R. G., Thomashow, B., D'Souza, B., Pearson, G. D. N., Rozenshtein, A., MacIntyre, N., McAdams, H. P., Tashjian, J., Wise, R., Hansel, N., Brown, R., Horton, K., Putcha, N., Adami, A., Porszasz, J., Fischer, H., Budoff, M., Cannon, D., Rossiter, H., Sharafkhaneh, A., Lan, C., Wendt, C., Bell, B., Foreman, M., Westney, G., Berkowitz, E., Rosiello, R., Pace, D., Criner, G., Ciccolella, D., Cordova, F., Dass, C., D'Alonzo, R., Desai, P., Jacobs, M., Kelsen, S., Mamary, A. J., Marchetti, N., Satti, A., Shenoy, K., Steiner, R. M., Swift, A., Swift, I., Vega-Sanchez, G., Dransfield, M., Wells, J. M., Bhatt, S., Nath, H., Ramsdell, J., Soler, X., Yen, A., Cornellas, A., Newell, J., Thompson, B., Kazerooni, E., Martinez, F., Billings, J., Allen, T., Sciurba, F., Chandra, D., Weissfeld, J., Fuhrman, C., Bon, J., Anzueto, A., Adams, S., Maselli-Caceres, D. & Ruiz, M. E., Sep 1 2015, In : JAMA internal medicine. 175, 9, p. 1539-1549 11 p.

Research output: Contribution to journalArticle

Lysyl oxidase as a serum biomarker of liver fibrosis in patients with severe obesity and obstructive sleep Apnea

Mesarwi, O. A., Shin, M. K., Drager, L. F., Bevans-Fonti, S., Jun, J. C., Putcha, N., Torbenson, M. S., Pedrosa, R. P., Lorenzi-Filho, G., Steele, K. E., Schweitzer, M. A., Magnuson, T. H., Lidor, A. O., Schwartz, A. R. & Polotsky, V. Y., Oct 1 2015, In : Sleep. 38, 10, p. 1583-1591B

Research output: Contribution to journalArticle

Occupational exposures are associated with worse morbidity in patients with chronic obstructive pulmonary disease

SPIROMICS Research Group, Mar 1 2015, In : American journal of respiratory and critical care medicine. 191, 5, p. 557-565 9 p.

Research output: Contribution to journalArticle

2014

A simplified score to quantify comorbidity in COPD

Putcha, N., Puhan, M. A., Drummond, M. B., Han, M. L. K., Regan, E. A., Hanania, N. A., Martinez, C. H., Foreman, M., Bhatt, S. P., Make, B., Ramsdell, J., DeMeo, D. L., Barr, R. G., Rennard, S. I., Martinez, F., Silverman, E. K., Crapo, J., Wise, R. A. & Hansel, N. N., Dec 16 2014, In : PloS one. 9, 12, e114438.

Research output: Contribution to journalArticle

Chronic productive cough is associated with death in smokers with early COPD

Putcha, N., Drummond, M. B., Connett, J. E., Scanlon, P. D., Tashkin, D. P., Hansel, N. N. & Wise, R. A., Aug 2014, In : COPD: Journal of Chronic Obstructive Pulmonary Disease. 11, 4, p. 451-458 8 p.

Research output: Contribution to journalArticle

Five comorbidities reflected the health status in patients with chronic obstructive pulmonary disease: The newly developed COMCOLD index

Frei, A., Muggensturm, P., Putcha, N., Siebeling, L., Zoller, M., Boyd, C. M., Ter Riet, G. & Puhan, M. A., Aug 2014, In : Journal of Clinical Epidemiology. 67, 8, p. 904-911 8 p.

Research output: Contribution to journalArticle