Table 3. Multivariate logistic regression analysis of gender, comorbidities, prolonged hospitalization time and invasive mechanical ventilation.

Gender
Variable	Total N (%)	OR	CI	P
Risk factors
Smoking	28.9 vs 48.0	0.449	0.257–0.784	0.005 d
Biomass exposure	24.2 vs 9.9	2.401	1.143–5.045	0.021 d
Alcoholism	2.3 vs 13.2	0.260	0.070–0.964	0.044 d
Sequelae
Dermatological symptoms	25.8 vs 9.2	3.464	1.635–7.336	<0.001d
Comorbidities
Sequelae
Musculoskeletal symptoms	35.9 vs 17.1	0.344	0.133–0.884	0.027 d
Prolonged hospital time
Risk factors
Smoking	49.1 vs 32.7	1.867	1.125–3.099	0.016 d
Invasive mechanical ventilation
Sequelae
Musculoskeletal symptoms	38.7 vs 25.9	1.946	1.057–3.591	0.032 d
Neurological and neuropsychiatric symptoms	67.3 vs 55.4	1.936	1.069–3.506	0.029 d

^d P values in bold have statistical significance.