Prognostic factors in meningococcal disease: Development of a bedside predictive model and scoring system

Nicolau Barquet, Pere Domingo, Joan A. Caylà, Juliá González, Carlos Rodrigo, Pedro Fernández-Viladrich, Fernando A. Moraga-Llop, Francesc Marco, Julio Vázquez, Juan A. Sáez-Nieto, Julio Casal, Jaume Canela, Màrius Foz

Research output: Contribution to journalArticle

Abstract

Context. - Meningococcal disease is associated with significant morbidity and mortality. Development of a prognostic model based on clinical findings may be useful for identification and management of patients with meningococcal infection. Objectives. - To construct and validate a bedside model and scoring system for prognosis in meningococcal disease. Design. - Prospective, population-based study. Setting. - Twenty-four hospitals in the metropolitan area of Barcelona, Spain. Patients. - A total of 907 patients with microbiologically proven meningococcal disease. Patients diagnosed with meningococcal disease from 1987 through 1990 were used to develop the prognostic model, and those diagnosed in 1991 and 1992 were used to validate it. Outcome Measures. - Clinical independent prognostic factors for mortality in meningococcal disease. The association between outcome and independent prognostic factors was determined by logistic regression analysis. A scoring system was constructed and tested using receiver operating characteristic curves. Results. - Among 624 patients in the derivation set, 287 (46%) were male, the mean age was 12.4 years, and 34 patients (5.4%) died. Among 283 patients in the validation set, 124 (43.8%) were male, the mean age was 12.7 years, and 17 patients (6.0%) died. In multivariate analysis, independent predictors of death were hemorrhagic diathesis (odds ratio [OR], 101; 95% confidence interval [Cl], 30-333), focal neurologic signs (OR, 25; 95% Cl, 7- 83), and age 60 years or older (OR, 10; 95% Cl, 3-34), whereas receipt of adequate antibiotic therapy prior to admission was associated with reduced likelihood of death (OR, 0.09; 95% Cl, 0.02-0.4). Hemorrhagic diathesis was scored with 2 points, presence of focal neurologic signs with 1 point, age of 60 years or older with 1 point, and preadmission antibiotic therapy was scored as -1. The clinical scores of -1, 0, 1, 2 and 3 or more points were associated with a probability of death of 0%, 2.3%, 27.3%, 73.3%, and 100%, respectively. Conclusions. -Hemorrhagic diathesis, focal neurologic signs, and age of 60 years or older were independent predictors of death in meningococcal disease, whereas receipt of adequate antibiotic therapy was associated with a more favorable prognosis. The scoring system presented is simple, is based on findings readily available at the bedside, and may be useful to help guide aggressive therapy.

Original languageEnglish (US)
Pages (from-to)491-496
Number of pages6
JournalJournal of the American Medical Association
Volume278
Issue number6
StatePublished - Aug 13 1997
Externally publishedYes

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Hemorrhagic Disorders
Neurologic Manifestations
Odds Ratio
Anti-Bacterial Agents
Meningococcal Infections
Mortality
Urban Hospitals
Therapeutics
ROC Curve
Spain
Multivariate Analysis
Logistic Models
Regression Analysis
Outcome Assessment (Health Care)
Confidence Intervals
Morbidity
Population

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Barquet, N., Domingo, P., Caylà, J. A., González, J., Rodrigo, C., Fernández-Viladrich, P., ... Foz, M. (1997). Prognostic factors in meningococcal disease: Development of a bedside predictive model and scoring system. Journal of the American Medical Association, 278(6), 491-496.

Prognostic factors in meningococcal disease : Development of a bedside predictive model and scoring system. / Barquet, Nicolau; Domingo, Pere; Caylà, Joan A.; González, Juliá; Rodrigo, Carlos; Fernández-Viladrich, Pedro; Moraga-Llop, Fernando A.; Marco, Francesc; Vázquez, Julio; Sáez-Nieto, Juan A.; Casal, Julio; Canela, Jaume; Foz, Màrius.

In: Journal of the American Medical Association, Vol. 278, No. 6, 13.08.1997, p. 491-496.

Research output: Contribution to journalArticle

Barquet, N, Domingo, P, Caylà, JA, González, J, Rodrigo, C, Fernández-Viladrich, P, Moraga-Llop, FA, Marco, F, Vázquez, J, Sáez-Nieto, JA, Casal, J, Canela, J & Foz, M 1997, 'Prognostic factors in meningococcal disease: Development of a bedside predictive model and scoring system', Journal of the American Medical Association, vol. 278, no. 6, pp. 491-496.
Barquet N, Domingo P, Caylà JA, González J, Rodrigo C, Fernández-Viladrich P et al. Prognostic factors in meningococcal disease: Development of a bedside predictive model and scoring system. Journal of the American Medical Association. 1997 Aug 13;278(6):491-496.
Barquet, Nicolau ; Domingo, Pere ; Caylà, Joan A. ; González, Juliá ; Rodrigo, Carlos ; Fernández-Viladrich, Pedro ; Moraga-Llop, Fernando A. ; Marco, Francesc ; Vázquez, Julio ; Sáez-Nieto, Juan A. ; Casal, Julio ; Canela, Jaume ; Foz, Màrius. / Prognostic factors in meningococcal disease : Development of a bedside predictive model and scoring system. In: Journal of the American Medical Association. 1997 ; Vol. 278, No. 6. pp. 491-496.
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T1 - Prognostic factors in meningococcal disease

T2 - Development of a bedside predictive model and scoring system

AU - Barquet, Nicolau

AU - Domingo, Pere

AU - Caylà, Joan A.

AU - González, Juliá

AU - Rodrigo, Carlos

AU - Fernández-Viladrich, Pedro

AU - Moraga-Llop, Fernando A.

AU - Marco, Francesc

AU - Vázquez, Julio

AU - Sáez-Nieto, Juan A.

AU - Casal, Julio

AU - Canela, Jaume

AU - Foz, Màrius

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N2 - Context. - Meningococcal disease is associated with significant morbidity and mortality. Development of a prognostic model based on clinical findings may be useful for identification and management of patients with meningococcal infection. Objectives. - To construct and validate a bedside model and scoring system for prognosis in meningococcal disease. Design. - Prospective, population-based study. Setting. - Twenty-four hospitals in the metropolitan area of Barcelona, Spain. Patients. - A total of 907 patients with microbiologically proven meningococcal disease. Patients diagnosed with meningococcal disease from 1987 through 1990 were used to develop the prognostic model, and those diagnosed in 1991 and 1992 were used to validate it. Outcome Measures. - Clinical independent prognostic factors for mortality in meningococcal disease. The association between outcome and independent prognostic factors was determined by logistic regression analysis. A scoring system was constructed and tested using receiver operating characteristic curves. Results. - Among 624 patients in the derivation set, 287 (46%) were male, the mean age was 12.4 years, and 34 patients (5.4%) died. Among 283 patients in the validation set, 124 (43.8%) were male, the mean age was 12.7 years, and 17 patients (6.0%) died. In multivariate analysis, independent predictors of death were hemorrhagic diathesis (odds ratio [OR], 101; 95% confidence interval [Cl], 30-333), focal neurologic signs (OR, 25; 95% Cl, 7- 83), and age 60 years or older (OR, 10; 95% Cl, 3-34), whereas receipt of adequate antibiotic therapy prior to admission was associated with reduced likelihood of death (OR, 0.09; 95% Cl, 0.02-0.4). Hemorrhagic diathesis was scored with 2 points, presence of focal neurologic signs with 1 point, age of 60 years or older with 1 point, and preadmission antibiotic therapy was scored as -1. The clinical scores of -1, 0, 1, 2 and 3 or more points were associated with a probability of death of 0%, 2.3%, 27.3%, 73.3%, and 100%, respectively. Conclusions. -Hemorrhagic diathesis, focal neurologic signs, and age of 60 years or older were independent predictors of death in meningococcal disease, whereas receipt of adequate antibiotic therapy was associated with a more favorable prognosis. The scoring system presented is simple, is based on findings readily available at the bedside, and may be useful to help guide aggressive therapy.

AB - Context. - Meningococcal disease is associated with significant morbidity and mortality. Development of a prognostic model based on clinical findings may be useful for identification and management of patients with meningococcal infection. Objectives. - To construct and validate a bedside model and scoring system for prognosis in meningococcal disease. Design. - Prospective, population-based study. Setting. - Twenty-four hospitals in the metropolitan area of Barcelona, Spain. Patients. - A total of 907 patients with microbiologically proven meningococcal disease. Patients diagnosed with meningococcal disease from 1987 through 1990 were used to develop the prognostic model, and those diagnosed in 1991 and 1992 were used to validate it. Outcome Measures. - Clinical independent prognostic factors for mortality in meningococcal disease. The association between outcome and independent prognostic factors was determined by logistic regression analysis. A scoring system was constructed and tested using receiver operating characteristic curves. Results. - Among 624 patients in the derivation set, 287 (46%) were male, the mean age was 12.4 years, and 34 patients (5.4%) died. Among 283 patients in the validation set, 124 (43.8%) were male, the mean age was 12.7 years, and 17 patients (6.0%) died. In multivariate analysis, independent predictors of death were hemorrhagic diathesis (odds ratio [OR], 101; 95% confidence interval [Cl], 30-333), focal neurologic signs (OR, 25; 95% Cl, 7- 83), and age 60 years or older (OR, 10; 95% Cl, 3-34), whereas receipt of adequate antibiotic therapy prior to admission was associated with reduced likelihood of death (OR, 0.09; 95% Cl, 0.02-0.4). Hemorrhagic diathesis was scored with 2 points, presence of focal neurologic signs with 1 point, age of 60 years or older with 1 point, and preadmission antibiotic therapy was scored as -1. The clinical scores of -1, 0, 1, 2 and 3 or more points were associated with a probability of death of 0%, 2.3%, 27.3%, 73.3%, and 100%, respectively. Conclusions. -Hemorrhagic diathesis, focal neurologic signs, and age of 60 years or older were independent predictors of death in meningococcal disease, whereas receipt of adequate antibiotic therapy was associated with a more favorable prognosis. The scoring system presented is simple, is based on findings readily available at the bedside, and may be useful to help guide aggressive therapy.

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