Preoperative characteristics of the two groups expressed as median (range) or n (%)
| LobarLVRS(N = 27) | Lobectomy(N = 91) | p Value | |
|---|---|---|---|
| FEV1, forced expiratory volume in 1 s; ppoFEV1, predicted postoperative forced expiratory volume in 1 s; LVRS, lung volume reduction surgery; Tlco, carbon monoxide transfer factor. | |||
| M:F | 20:7 | 54:37 | NS |
| Age (years) | 69 (51–79) | 70 (45–84) | NS |
| >75 years | 7 (26%) | 21 (23%) | NS |
| FEV1 (% predicted) | 45 (19–54) | 77 (53–118) | 0.001 |
| ppoFEV1 (%) | 34 (14–39) | 61 (41–99) | 0.001 |
| Right:left | 13:14 | 52:39 | NS |
| Preoperative Tlco (% predicted) | 47 (32–97) | NA | |
| Q score | 7.5 (1.5–13) | NA | |
| Body mass index | 23 (18–30) | 24 (18–33) | NS |