Abstract: Objective To analyze the factors influencing on the treatment outcome of pulmonary tuberculosis(TB) patients and to provide evidence for TB prevention and control. Methods The data of 4 747 cases in Lianyuan Disease Control and Prevention Station from 1993 to 2001 were collected to analyze the factors influencing the treatment outcome of TB patients by using Chi square test and unconditional Logistic regression analysis. Results Single factor analysis showed that the factors related with the treatment outcome included age,sex,relevant clinical symptoms,combining other kinds of TB,delaying to visit doctors,intaking medicines before the treatment,cavity,non-supervised treatment during the whole treatment course,sputum positive after the treatment for 2 month and treatment without streptomycin for new smear-positive patients.Unconditional Logistic Regression analysis indicated that favorable factors influencing treatment outcome of pulmonary TB patients included fatigue and sputum positive result at the initiation of treatment, while the unfavorable factors influencing treatment outcome of pulmonary TB patients included symptoms and signs in the beginning of the treatment such as fever,cavity in the lung, non-supervised treatment during the whole treatment course and thenon-compliance which resulted in sputum positive after 2,3,5 months of treatment. Conclusion It is of great significance for improving TB patients’ prognosis by reducing patients’ delay to visit doctor through health education, increasing the directly supervised treatment during the whole treatment course to increase patients compliance of correct medication.

Key words: Pulmonary tuberculosis, Treatment, Factor analysis