Table 4.

Results of linear regression analysis for spirometric measures of air flow among post-treatment tuberculosis subjects (n = 58).

Variable	Pulmonary function testa				SQRG total scorea,b
	FEV1% predictedc	FVC% predictedc	FEV1/FVC	PEF
Age, years	−0.87**	−0.88**	−0.31*	−1.00**	1.19**
Male	−2.58	−9.0	0.31	1.74	2.94
Follow-up BMI	−0.09	−0.39	0.17	0.57	−0.24
Tobacco use	−0.23	−0.14	−1.65	−1.82	4.00
Alcohol use	−17.22	−13.89	−8.81*	−7.75	−8.76
Hepatitis C	−24.49	−10.03	−16.14*	−26.27	7.17
Prior TB	−16.83*	−12.28*	−7.70*	−18.31*	12.04
Baseline resistance
Pre-XDR/XDR	−1.11	2.49	−1.98	7.94	−4.45
Initial CXR
Bilateral	−13.66*	−9.89	−6.99*	−13.97	0.92
Follow-up CXR
Fibrosis	−18.7**	−18.5**	−5.47	−19.44*	13.99
Cirrhosis	−13.8	−9.70	−7.78*	−12.08	26.66**
Bronchiectasis	−39.7**	−36.36**	−11.34*	−30.32**	11.60
Pleural adhesions	−9.19	−5.61	−4.66	−12.86	−0.50
Surgery
Yes	14.74*	14.78*	5.23	13.32	−11.78
Segmentectomy	14.0	5.53	6.83	15.00	6.88

SGRQ, St. George Respiratory Questionnaire; FVC, forced vital capacity; FEV₁, forced expiratory volume; PEF, peak expiratory flow; BMI, body mass index; TB, tuberculosis; CXR, chest radiography; XDR, extensively drug-resistant.

^aSignificant at

^*p ≤ 0.05,

^**p ≤ 0.01.

^bControlled for age and sex.

^cStandardized for age, sex, and height.