Table 1 General characteristics of the studied patients
From: Incidence of pulmonary hypertension in COPD and its relation to inflammatory marker interleukin-1
General characteristics | ||
|---|---|---|
Age (years) | Mean ± SD | 60 ± 10 |
Sex | ||
Males | n (%) | 88 (88) |
Females | n (%) | 12 (12) |
Smoking | n (%) | 86 (86) |
Smoking index | Median (range) | 600 (180–1800) |
COPD phenotype | ||
Chronic bronchitis | n (%) | 58 (58) |
Emphysema | n (%) | 42 (42) |
Severity of COPD | ||
Mild | n (%) | 10 (10) |
Moderate | n (%) | 72 (72) |
Severe | n (%) | 18 (18) |