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DOI: 10.1055/s-0028-1128124
© J. A. Barth Verlag in Georg Thieme Verlag KG Stuttgart · New York
Extrapulmonary Tuberculosis: A Study Comparing Diabetic and Nondiabetic Patients
Publication History
received 14.08.2008
first decision 30.12.2008
accepted 30.12.2008
Publication Date:
18 February 2009 (online)

Abstract
Purpose: The previous studies of extrapulmonary tuberculosis (EPTB) have not focused on the impacts of diabetes mellitus. We conducted a retrospective study to explore the difference between EPTB patients with and without diabetes.
Methods: The EPTB patients receiving initial treatments from Taipei Medical University Hospital between January 2003 and March 2008 were recruited. They were divided into with-diabetes (WD) group or non-diabetes (ND) group according to coexistence of diabetes mellitus or not, respectively. All characteristics of these two groups were compared.
Results: Seventy-five patients were enrolled into our study. Fifteen patients and 60 patients were recruited into WD and ND groups, respectively. The basic characteristics and tuberculosis sites of the two groups were compared. The prevalence of hypertension (66.7% vs. 38.3%, p=0.048) and chronic liver diseases (33.3% vs. 3.3%, p=0.003) in WD group were higher than in ND group. The incidence of tuberculous peritonitis in WD group was higher than in ND group (26.7% vs. 6.7%, p=0.046). The odds ratio of tuberculous peritonitis for WD group was 5 091 (95% CI 1.103–23.493, p=0.037). The random glucose level (10.9±5.8 vs. 6.8±1.6 mmol/L, p=0.025), the fasting glucose level (8.6±4.4 vs. 5.6±0.9 mmol/L, p=0.038), and the hemoglobin A1c level (7.4±1.1 vs. 5.6±0.4%, p=0.037) were higher in WD group than in ND group. The total bilirubin level was higher in WD group than in ND group (18.4±6.2 vs. 13±7.2 μmol/L, p=0.042). Presenting symptoms and other laboratory data were not different statistically between these two groups.
Conclusions: This is the first study about the impacts of diabetes on EPTB. The prevalence of hypertension and chronic liver diseases, the incidence of tuberculous peritonitis, and the total bilirubin level were higher in EPTB patients with diabetes than those without diabetes.
Key words
diabetes mellitus - extrapulmonary tuberculosis - hypertension - liver disease - tuberculous peritonitis
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Correspondence
Dr. C.-L. Huang
Department of Internal Medicine
Taipei Medical University Hospital
No. 252, Wuxing Street
Xinyi District
Taipei City 110
Taiwan
Phone: +886/2/2737 21 81 ext. 39 03
Fax: +886/2/2736 30 51
Email: sfweng@ntu.edu.tw