Five-Year Assessment of Time of Sputum Smears Conversion and Outcome and Risk Factors of Tuberculosis Patients in Central Iran

Table 4

Impact of comorbidity and demographic, microbiological, and therapeutic variables on failure.

Characteristic		Outcome		value
		Cure	Failure
Sex	Female	84	3	0.32
	Male	83	6
Age	≤50	65	2	0.31
	>50	102	7
Nationality	Iranian	88	6	0.41
	Non-Iranian	79	3
Initial sputum grading	≤2+	127	3	0.004
	3+	40	6
Accompanying illness	Diabetic	15	5	0.00
	Otherwise healthy	152	4
Treatment category	CAT I	153	8	0.775
	CAT II	14	1
Sputum conversion	2 m for CAT I, 3 m for CAT II	146	2	0.00
	>2 m and >3	21	7