Table 1. Demographics for all-comers and by HIV status.

Patient characteristics	All	HIV Positive	HIV Negative	p value
N	550	467	83
Mean age ±SD	35.7±10.8	34.2±8.8	43.7±16.1	<0.001
Age >50 years	53 (9.6%)	25 (5.4%)	28 (33.7%)	<0.001
Female sex	283 (51.5%)	256 (54.8%)	27 (32.5%)	<0.001
Current smoker	29 (5.3%)	23 (4.9%)	6 (7.2%)	0.42
Ever smoker	162 (29.5%)	133 (28.5%)	29 (34.9%)	0.23
Median pack years smoking (IQR) (N = 161)	3.0 (0.8–10.0)	3.0 (0.6–9.8)	9.0 (2.0–20.0)	0.002
Currently use wood/charcoal stove	399 (72.6%)	345 (73.9%)	54 (65.1%)	0.10
Mean cooking smoke-years ±SD (N = 388)	60.7±45.2	57.7±43.1	79.6±53.2	0.01
Specimen collected during the rainy season	363 (66.0%)	304 (65.1%)	59 (71.1%)	0.29
Final diagnosis:
Pulmonary tuberculosis	303 (55.1%)	267 (57.2%)	36 (43.4%)	Referent
Pneumocystis pneumonia	6 (1.1%)	6 (1.3%)	0 (0%)	0.56*
Other	102 (18.6%)	72 (15.4%)	30 (36.1%)	0.02
Unknown	139 (25.3%)	122 (26.1%)	17 (20.5%)	0.75
Death in hospital	63 (11.5%)	56 (12.0%)	7 (8.4%)	0.35
Characteristics associated with HIV
Newly diagnosed HIV infection		140 (30.0%)
ARV at enrollment		71 (15.2%)
On PCP prophylaxis (N = 466)		256 (54.9%)
Median CD4 count (IQR) (N = 463)		50 (12–160)
CD4 count <200 (N = 463)		371 (80.1%)
CD4 count <50 (N = 463)		231 (49.9%)

SD indicates standard deviation; IQR, interquartile range; ARV, antiretroviral therapy; PCP, Pneumocystis pneumonia.

^*A value of 0.5 was substituted for the zero cell.