[Table/Fig-1]:
Demographic and disease characteristics of study population.
| Variables | N = 255£ |
|---|---|
| Baseline characteristics | |
| Age (in years) | 63.85 ± 9.71 |
| Male gender | 255 (100%) |
| BMI (Kg / m2) | 21.60 ± 4.08 |
| Age of onset of COPD (in years) | 57.26 ± 8.62 |
| Duration of illness (in years) | 6.64 ± 4.92 |
| Smoking (pack years) | 32.57 ± 15.59 |
| History of alcohol intake (past / current)£ | 47 (28.3%) |
| Presence of atleast one co-morbid condition£ | 122 (73.5%) |
| Baseline saturation (SPO2) during stable disease (%) | 94.30 ± 3.92 |
| Baseline exercise capacity (MMRC grade)£ | |
| Grade 1 | 1 (0.6%) |
| Grade 2 | 14 (8.4%) |
| Grade 3 | 99 (59.6%) |
| Grade 4 | 52 (31.3%) |
| Characteristics during hospital stay for AECOPD | |
| History of fever | 46 (18.0%) |
| Sputum purulence | 106 (41.6%) |
| Increased of sputum quantity | 154 (60.4%) |
| Anthonisen’s type of AECOPD | |
| Type 1 | 71 (27.8%) |
| Type 2 | 108 (42.4%) |
| Type 3 | 76 (29.8%) |
| Presence of features of right heart failure | 26 (10.2%) |
| Saturation at the time of admission | 87.07 ± 14.14 |
| Positive isolate in sputum culture | 50 (19.6%) |
£ A total of 166 patients with COPD had 255 admissions for acute exacerbation.