TB Positive Individuals TB Negative Individuals p
Age at diagnosis (years): mean (SD) 43.8 (18.7) 43.4 (22.9) 0.775
Gender: N (%)
Male 167 (48.0) 182 (49.5)
Female 181 (52.0) 186 (50.5) 0.695
Smoking status: N (%)
Smoking 95 (27.3) 77 (20.9)
No smoking 253 (72.7) 291 (79.1) 0.046