Table 1.
Baseline characteristics of patients of the five cohorts by emergency surgery and non‐emergency surgery groups. Values are number (proportion) or mean (SD).
|
Appendicitis n = 268,144 |
Gallstone disease n = 240,977 |
Diverticular disease n = 138,869 |
Hernia n = 106,432 |
Intestinal obstruction n = 133,073 |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Emergency surgery n = 247,506 (92.3%) |
Non‐emergency surgery n = 20,638 (7.7%) |
Emergency surgery n = 52,004 (21.6%) |
Non‐emergency surgery n = 188,973 (78.4%) |
Emergency surgery n = 15,772 (11.4%) |
Non‐emergency surgery n = 123,097 (88.6%) |
Emergency surgery n = 62,559 (58.8%) |
Non‐emergency surgery n = 43,873 (41.2%) |
Emergency surgery n = 40,550 (30.5%) |
Non‐emergency surgery n = 92,523 (69.5%) |
|
| Sex; female | 113,224 (45.8%) | 10,228 (49.6%) | 36,864 (70.9%) | 125,927 (66.6%) | 8698 (55.2%) | 73,172 (59.4%) | 25,035 (40.0%) | 12,530 (28.6%) | 23,269 (57.4%) | 46,708 (50.5%) |
| Age; y | 38.3 (16.3) | 47.3 (20.2) | 50.7 (17.7) | 56.1 (19.2) | 63.9 (14.8) | 64.0 (15.7) | 63.1 (18.2) | 62.2 (19.3) | 66.6 (16.5) | 67.8 (17.2) |
| Charlson comorbidity index | ||||||||||
| 0 | 207,525 (83.9%) | 15,321 (74.2%) | 36,737 (70.6%) | 120,748 (63.9%) | 9789 (62.1%) | 73,457 (59.7%) | 39,216 (62.7%) | 26,297 (59.9%) | 22,487 (55.5%) | 47,161 (51.0%) |
| 1 | 35,721 (14.4%) | 3989 (19.3%) | 12,287 (23.6%) | 49,863 (26.4%) | 4482 (28.4%) | 35,106 (28.5%) | 17,494 (28.0%) | 12,163 (27.7%) | 12,849 (31.7%) | 29,296 (31.7%) |
| 2 | 3715 (1.5%) | 1035 (5.0%) | 2544 (4.9%) | 14,503 (7.7%) | 1222 (7.8%) | 11,454 (9.3%) | 4792 (7.7%) | 4169 (9.5%) | 4221 (10.4%) | 12,425 (13.4%) |
| 3+ | 545 (0.2%) | 293 (1.4%) | 436 (0.8%) | 3859 (2.0%) | 279 (1.8%) | 3080 (2.5%) | 1057 (1.7%) | 1244 (2.8%) | 993 (2.5%) | 3641 (3.9%) |
| SCARF frailty index | ||||||||||
| Fit | 206,796 (83.6%) | 15,015 (72.8%) | 34,056 (65.5%) | 114,973 (60.8%) | 6197 (39.3%) | 65,911 (53.5%) | 33,014 (52.8%) | 23,871 (54.4%) | 17,473 (43.1%) | 42,879 (46.3%) |
| Mild frailty | 34,544 (14.0%) | 4052 (19.6%) | 13,608 (26.2%) | 52,629 (27.9%) | 5631 (35.7%) | 38,851 (31.6%) | 19,608 (31.3%) | 13,104 (29.9%) | 13,722 (33.8%) | 30,286 (32.7%) |
| Moderate frailty | 5041 (2.0%) | 1155 (5.6%) | 3385 (6.5%) | 16,175 (8.6%) | 2706 (17.2%) | 13,433 (10.9%) | 7360 (11.8%) | 4987 (11.4%) | 6511 (16.1%) | 13,493 (14.6%) |
| Severe frailty | 1125 (0.5%) | 416 (2.0%) | 955 (1.8%) | 5196 (2.8%) | 1238 (7.9%) | 4902 (4.0%) | 2577 (4.1%) | 1911 (4.4%) | 2844 (7.0%) | 5865 (6.3%) |
SCARF, secondary care administrative records frailty.