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 ORIGINAL ARTICLE
Year : 2012  |  Volume : 60  |  Issue : 1  |  Page : 18--22

Predictors of mortality in patients with meningeal tuberculosis


1 Government Pharmacy College, Thiruvananthapuram, Kozhikode, India
2 Department of Neurology, Government Medical College, Thiruvananthapuram, Kozhikode, India
3 Department of Internal Medicine, Government Medical College, Thiruvananthapuram, Kozhikode, India
4 Department of Obstetrics and Gynecology, Government Medical College, Thiruvananthapuram, Kozhikode, India
5 Department of Community Medicine, Government Medical College, Thiruvananthapuram, Kozhikode, India

Correspondence Address:
Thomas Iype
Government Medical College, Thiruvananthapuram - 695 011
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.93583

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Background: Meningeal tuberculosis (TB) has higher mortality compared to other forms of central nervous system TB. However, data on predictors of mortality is limited. Aims: To determine the predictors of mortality in patients with meningeal TB. Materials and Methods: This study retrospectively analyzed the data of patients admitted with a diagnosis of meningeal TB between January 2006 and December 2008. Thwaites' index score of four or less was used for the diagnosis of meningeal TB which is a weighted diagnostic index score for dichotomised clinical variables. Predictors of mortality were analyzed separately for both patients with human immunodeficiency virus (HIV) infection and without. Statistical Analysis: Univariate analysis and multinomial logistic regression was done. Results: Univariate analysis showed age >40 years, Glasgow Coma Scale (GCS) score <8, absence of headache, cerebrospinal fluid (CSF) protein ≤60 mg% and Medical Research Council (MRC) Stage III at presentation to predict in-hospital mortality. In multinomial logistic regression age >40 years was a risk factor for mortality when HIV patients were included (P=0.049) as well as when they were excluded (P=0.048). CSF protein ͳ 60 mg% was found to be a significant risk factor when both HIV seropositive persons (P=0.011) as well as seronegative persons (P=0.004) were included. HIV seropositivity, steroid treatment or delay in treatment did not affect mortality. Conclusions: Identification of factors predictive of in-hospital mortality will help to prognosticate patients with meningeal TB at the time of admission.






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