Table 1. Baseline characteristics of the patients at the time of admission (n = 104).

*Mean (±standard deviation): 39.3 years (±18.4)

COPD: chronic obstructive pulmonary disease; AECOPD; acute exacerbation of chronic obstructive pulmonary disease

Baseline characteristics	Number of patients (%)
Gender
Male	83 (79.8%)
Female	21 (20.2%)
Age*
Less than 40 years	23 (22.1%)
40-60 years	42 (40.4%)
Above 60 years	39 (37.5%)
Duration of COPD
Less than 2 years	11 (10.5%)
2-5 years	39 (37.5%)
More than 5 years	54 (51.9%)
Previous hospitalization for AECOPD
Never	29 (27.8%)
Once	62 (59.6%)
More than once	13 (12.5%)
Co morbidity status
Tuberculosis	19 (18.3%)
Asthma	11 (10.5%)
Other chronic respiratory diseases	08 (7.6%)
Cardiovascular disease	28 (26.9%)
Metabolic disease	38 (36.5%)