TABLE 3

Univariate and multivariate regression analyses for body mass index (n=224)

Characteristic	Univariate analysis			Multivariate analysis
Characteristic	Standardised β	Adjusted R²	p-value	Standardised partial β	p-value
PPFE score	−0.302	0.088	<0.001	−0.229	<0.001
Bronchiectasis score	−0.236	0.052	<0.001	−0.047	0.559
Cellular bronchiolitis score	−0.050	−0.002	0.478
Cavity score	−0.169	0.025	0.013	−0.064	0.631
Nodule extent score	−0.077	0.001	0.271
Consolidation score	−0.170	0.025	0.014	−0.016	0.827
Radiological type (nodular bronchiectatic)	0.136	0.015	0.046	0.124	0.360
Causative organisms
Mycobacterium avium	0.191	0.031	0.007	0.144	0.026
Mycobacterium intracellulare	−0.121	0.010	0.086
Positive sputum AFB smear	−0.048	−0.003	0.492
Age	−0.204	0.038	0.003	−0.182	0.007
Sex (female)	−0.223	0.046	0.001	−0.263	<0.001
Smoking pack-years	0.128	0.012	0.065
Presence of comorbidities	0.049	−0.002	0.475
Previous history of pulmonary TB	−0.010	−0.005	0.886
Use of immunosuppressants	−0.119	0.011	0.075

PPFE: pleuroparenchymal fibroelastosis; AFB: acid-fast bacilli; TB: tuberculosis.