Prevalence and Risk Factors of Delayed Sputum Conversion among Patients Treated for Smear Positive PTB in Northwestern Rural Tanzania: A Retrospective Cohort Study

Table 1

Demographic and laboratory characteristics of 156 study participants.

Variables	Frequency	Median (IQR) or percentage
Sex
Male	97	62.2
Female	59	37.8
Age	156	39 [30–51]
Age group
≥50 years	45	28.8
<50 years	111	71.2
Resides in SGM
Yes	18	11.5
No	138	88.5
HIV status
Positive	55	35.3
Negative	101	64.7
Median AFB+	156	2 [2-3]
Smear conversion
Median (months)	156	2 [2-2]
>2 months	13	8.3
≤2 months	143	91.7

AFB: Acid Fast Bacilli; HIV: human immunodeficiency virus; IQR: interquartile range.