Table 3. Postoperative data.
| Outcome | Total (n=115) | HIL group (n=53) | OIL group (n=62) | P |
|---|---|---|---|---|
| Laboratory findings | ||||
| Serum albumin level (g/L)† | 3.2±0.5 | 3.4±0.5 | 2.9±0.5 | <0.001 |
| Serum CRP level (mg/L)† | 7.3±2.9 | 6.4±2.2 | 8.1±3.1 | 0.001 |
| Serum WBC count (103/mm3)‡ | 11.6±5.9 | 12.6±7.4 | 10.7±3.2 | 0.074 |
| Patients with complications | 0.573 | |||
| Clavien-Dindo grade | 40 (34.8) | 17 (32.1) | 23 (37.1) | 0.319 |
| I/II | 10 (8.7) | 1 (1.9)/4 (7.5) | 3 (4.8)/2 (3.2) | |
| III/IV | 30 (26.1) | 6 (11.3)/6 (11.3) | 5 (8.1)/13 (21.0) | |
| Pulmonary complications | 26 (22.6) | 12 (22.6) | 14 (22.5) | 0.994 |
| Pneumonia | 14 (12.2) | 5 (9.4) | 9 (14.5) | |
| Acute lung injury | 4 (3.5) | 2 (3.8) | 2 (3.2) | |
| Effusion | 7 (6.1) | 4 (7.5) | 3 (4.8) | |
| Atelectasis | 1 (0.8) | 1 (1.9) | 0 | |
| Anastomotic leakage | 1 (0.8) | 0 | 1 (1.6) | – |
| Length of hospital stay (days) | 16.6±10.5 | 13.5±5.8 | 19.2±12.7 | 0.002 |
| Mortality | ||||
| 30-day | 4 (3.5) | 2 (3.8) | 2 (3.2) | 0.873 |
| In-hospital | 7 (6.1) | 2 (3.8) | 5 (8.1) | 0.337 |
Data are shown as n (%), and mean ± standard deviation, unless otherwise indicated. †, measured immediate postoperatively; ‡, measured on postoperative day 1. HIL, hybrid minimally invasive Ivor Lewis esophagectomy; OIL, open Ivor Lewis esophagectomy; CRP, C-reactive protein; WBC, white blood cell.