Epidemiological Patterns And Risk Factors Of Type 2 Diabetes Mellitus Patients With Pulmonary Tuberculosis

Objective: To investigate the epidemiological characteristics and trends of type 2 diabetes patients with tuberculosis in Tianjin.Methods: All the newly registered type 2 diabetes mellitus patients with pulmonary tuberculosis from 1991 to 2002 in Tianjin Pulmonary Tuberculosis Control Center were included in the study. T-test, chi-square test and unconditional logistic regression model were used for the data analysis. The new registration rates of type 2 diabetes mellitus patients with pulmonary tuberculosis were calculated based on new registry number and average population of every year. The standardized new registration rates were calculated according to the data of census in 1990. The method of linear logistic regressions was used to calculate the new registration rates.Results: One thousend seven hundred and nine patients of type 2 diabetes mellitus with pulmonary tuberculosis were registered from 1991 to 2002 in Tianjin; The new registry rates and standardized new registry rates increased from 1991 to 2000 with an annual increase rate of 5.51% and 5.02%, and declined from 2001; The new registry rates in male and female were increased, with an annual increase rate of 5.613% and 5.273%; The annual new registry rate in male was higher than that in female, which ratio of male and female was 2.22:1. The older the age, the higher proportion of type 2 diabetes mellitus patients with pulmonary tuberculosis; The population of type 2 diabetes mellitus patients with pulmonary tuberculosis more than 50 year old occupied 70.22%; There was no significant difference among different areas in Tianjin; The average rate of positive acid-fast bacilli in sputum smear was 55.90%; The average rate of positive acid-fast bacilli in sputum smear...