From: Endobronchial valves for emphysema and persistent air-leak: 10-year experience in an Asian country
 | Univariate analysis | Multivariate analysis | ||||
---|---|---|---|---|---|---|
HR | 95% CI | P | aHR | 95% CI | P | |
Age, years | 1.022 | 0.974–1.073 | 0.378 |  |  |  |
Female sex | 3.194 | 0.725–14.06 | 0.125 | 1.572 | 0.295–8.381 | 0.597 |
Body mass index | 0.797 | 0.679–0.935 | 0.005 | 0.749 | 0.595–0.944 | 0.014 |
FEV1, % predicted | 0.201 | 0.030–1.365 | 0.101 | 0.523 | 0.092–2.989 | 0.466 |
MMRC grade | 1.291 | 0.612–2.722 | 0.503 |  |  |  |
Radiographic reduction in lung volume by visual estimation | 0.282 | 0.010–0.816 | 0.020 | 0.156 | 0.038–0.650 | 0.010 |