Total | NLR <3 | NLR ≥3 | p-value | |
---|---|---|---|---|
(n = 632) | (n =376) | (n =256) | ||
Operative procedure | 0.833 | |||
Open cholecystectomy | 6 (0.9) | 1 (0.3) | 5 (2.0) | |
Laparoscopic cholecystectomy | ||||
- 4 port procedure | 204 (32.3) | 120 (31.9) | 84 (32.8) | |
- 3 port procedure | 66 (10.4) | 43 (11.4) | 23 (9.0) | |
- 2 port procedure | 307 (48.6) | 174 (46.3) | 133 (52.0) | |
- single port procedure | 49 (7.8) | 38 (10.1) | 11 (4.3) | |
Mean operative time (min) | < 0.001 | |||
Mean ± SD | 76.5 ± 32.7 | 70.3 ± 25.4 | 85.6 ± 39.5 | |
Median (range) | 70.0 (30 – 370) | 65.0 (30 – 175) | 77.5 (30 – 370) | |
Insertion of a drain | 0.002 | |||
No | 373 (59.0) | 241 (64.1) | 132 (51.6) | |
Yes | 259 (41.0) | 135 (35.9) | 124 (48.4) | |
Open conversion | 4 (0.6) | 2 (0.5) | 2 (0.8) | 0.485 |
Addition of one or more port(s) | 5 (0.8) | 4 (1.1) | 1 (0.4) | |
Frequency of total analgesics | 0.385 | |||
Mean ± SD | 3.3 ± 3.9 | 3.2 ± 3.7 | 3.5 ± 4.3 | |
Median (range) | 2.0 (0 – 22) | 2.0 (0 – 20) | 2.0 (0 – 22) | |
Postoperative hospital stay (days) | < 0.001 | |||
Mean ± SD | 4.4 ± 2.8 | 3.8 ± 2.1 | 5.2 ± 3.4 | |
Median (range) | 4.0 (1 – 24) | 3.0 (1 – 23) | 5.0 (1 – 24) | |
Postoperative complications | 37 (5.9) | 16 (4.3) | 21 (8.2) | 0.056 |
Voiding difficulty | 8 | 4 | 4 | |
Pleural effusion | 8 | 4 | 4 | |
Wound infection | 5 | 2 | 3 | |
Pneumonia | 5 | 2 | 3 | |
Bleeding | 4 | 2 | 2 | |
Bile leakage | 3 | 1 | 2 | |
Pneumothorax | 1 | 1 | 0 | |
Pancreatitis | 1 | 0 | 1 | |
Delayed gastric emptying | 2 | 0 | 2 |