Table 1 Baseline characteristics of the study population
From: Endobronchial valves for emphysema and persistent air-leak: 10-year experience in an Asian country
Characteristics | Number |
|---|---|
Total number of patients | 210 |
Age, years | 69.7 ± 10.8 |
Male sex | 201 (95.7) |
Body mass index, kg/m2 | 19.8 ± 3.6 |
Smoking status | |
 Ex-smoker | 175 (83.3) |
 Current smoker | 22 (10.5) |
 Never smoker | 12 (5.7) |
 Unknown | 1 (0.5) |
Past medical history | |
 Bronchiectasis | 3 (1.4) |
 Asthma | 15 (7.1) |
 Ischemic heart disease | 5 (2.4) |
 Heart failure | 5 (2.4) |
 Hypertension | 52 (24.8) |
 Diabetes mellitus | 30 (14.3) |
 Stroke | 5 (2.4) |
 Long-term oxygen therapy | 77 (36.7) |
Indications for EBV | |
 Lung volume reduction | 192 (91.4) |
 Persistent air-leak | 18 (8.6) |