| Total | NLR <3 | NLR ≥3 | p-value |
---|---|---|---|---|
 | (n = 632) | (n =376) | (n =256) |  |
Operative procedure | Â | Â | Â | 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) | Â | Â | Â | < 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 | Â | Â | Â | 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) | Â |
Frequency of total analgesics | Â | Â | Â | 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) | Â | Â | Â | < 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 |  |