Table 5. Clinical, demographic, and radiological characteristics of patients treated for pulmonary tuberculosis who had no history of lung disease or smoking (n = 204), by spirometry classification; 2014-2015.

Characteristic	No disease or mild disease		Moderate or severe disease		p
	n	%	n	%
Gender
Male	66	36.9	16	64.0	0.10
Female	113	63.1	9	36.0
Age, years					0.03
18-29	52	29.0	2	8.0
30-49	78	43.6	11	44.0
> 49	49	27.4	12	48.0
Skin color					0.60
White	28	15.8	5	20.0
Non-White	149	84.2	20	80.0
Marital status					0.24
Married/living as married	86	50.0	14	58.3
Othera	86	50.0	10	41.7
Level of education					0.33
≤ 9 years of schooling	82	58.6	14	70.0
> 9 years of schooling	58	41.4	6	30.0
Alcoholism					0.90
Yes	32	18.5	4	17.4
No	141	81.5	19	82.6
HIV/AIDS					0.49
Yes	4	3.0	1	6.3
No	130	97.0	15	93.8
Systemic arterial hypertension					0.29
Yes	28	15.6	6	24.0
No	151	84.4	19	76.0
Heart disease					0.51
Yes	3	1.7	0
No	176	98.3	25
Diabetes mellitus					0.34
Yes	12	6.9	3	12.5
No	161	93.1	21	87.5
Chronic kidney disease					0.20
Yes	11	6.1	0	0.0
No	168	93.9	25	100.0
Cancer					0.26
Yes	2	1.1	1	4.0
No	177	98.9	24	96.0
Dyspnea, mMRC					0.03
0-1	162	94.7	19	82.6
2-4	9	5.3	4	17.4
Cough					0.28
Yes	42	24.3	8	34.8
No	131	75.7	15	65.2
Expectoration					0.18
Yes	26	15.0	6	26.1
No	147	85.0	17	73.9
Wheezing					0.07
Yes	7	4.0	3	13.0
No	166	96.0	20	87.0
Chest X-ray					0.01
Normal/NTA-I	128	82.1	12	57.1
NTA-II/III	28	17.9	9	42.9
Disease duration to diagnosis					0.54
< 30 days	34	24.3	3	17.7
≥ 30 days	106	75.7	14	82.4

mMRC: modified Medical Research Council (scale); and NTA: National Tuberculosis Association (classification system). ^aWidowed, separated/divorced, or single.