Baseline characteristics of patients who underwent surgical management of an inguinal hernia between 2012 and 2016 in Vancouver, BC*
| Characteristic | No. (%)† of patients matched on on age, sex and ASA score n = 320 | No. (%)† of patients undergoing emergent surgical repair n = 80 | No. (%)† of patients undergoing elective surgical repair n = 240 | p value |
|---|---|---|---|---|
| Demographics | ||||
| Age, yr | 63.9 (IQR 54.0–79.0) | 66.1 (IQR 58.3–81.0) | 63.2 (IQR 56.0–79.0) | 0.183 |
| Male | 274 (85.6) | 68 (85.7) | 206 (88.1) | 1.000 |
| ASA score | 2.30 (IQR 2.00–3.00) | 2.40 (IQR 2.00–3.00) | 2.3 (IQR 2.00–3.00) | 0.361 |
| Recurrent hernia | 34 (10.6) | 6 (7.5) | 28 (12.2) | 0.251 |
| Comorbidities | ||||
| Cardiovascular disease | 120 (37.5) | 34 (42.5) | 86 (35.8) | 0.297 |
| Diabetes | 35 (10.9) | 9 (11.2) | 26 (10.8) | 0.919 |
| COPD | 20 (6.2) | 4 (5.0) | 16 (6.7) | 0.571 |
| Cancer | 12 (3.8) | 3 (3.8) | 9 (3.8) | 1.000 |
| Hospital | ||||
| UBCH | 69 (21.6) | 0 (0.0) | 69 (28.7) | < 0.001 |
| VGH | 251 (78.4) | 80 (100) | 171 (71.2) | – |
| Length of surgery, min. | 62.0 (IQR 43.5–75.5) | 81.4 (IQR 59.2–100.0) | 55.4 (IQR 40.0–66.0) | < 0.001 |
| Booking priority code | ||||
| < 1 h | 5 (1.6) | 5 (6.3) | – | – |
| < 4 h | 4 (1.3) | 4 (5.0) | – | – |
| < 8 h | 39 (12.2) | 39 (48.8) | – | NA |
| < 12 h | 11 (3.4) | 11 (13.8) | – | NA |
| < 48 h | 19 (5.9) | 19 (23.8) | – | – |
| < 72 h | 2 (0.6) | 2 (2.5) | – | – |
| Scheduled | 240 (75) | – | 240 (100) | – |
| Unilateral | 291 (90.9) | 79 (98.8) | 212 (88.3) | < 0.001 |
| Not obstructed | 193 (66.3) | 14 (17.7) | 179 (84.4) | – |
| Obstructed | 98 (33.7) | 65 (82.3) | 33 (15.6) | – |
| Bilateral | 29 (9.1) | 1 (1.2) | 28 (11.2) | NA |
| Not obstructed | 28 (96.6) | 0 (0) | 28 (100) | – |
| Obstructed | 1 (3.4) | 1 (100) | 0 | – |
| Surgical approach | – | – | – | < 0.001 |
| Open | 243 (75.9) | 75 (93.8) | 168 (70.0) | – |
| Laparoscopic | 76 (23.8) | 4 (5.0) | 72 (30.0) | – |
| Converted to open | 1 (0.3) | 1 (1.2) | 0 | – |
| Mesh use | 298 (93.1) | 68 (85.0) | 230 (95.8) | 0.009 |
| All-cause mortality | 0 | 0 | 0 | NA |