Table 1.
Sociodemographic and operative differences between the prepandemic and pandemic cohorts
| Before pandemic | Pandemic | |
|---|---|---|
| (n = 3031) | (n = 4371) | |
| Age (years) | ||
| < 60 | 890 (29.4) | 1391 (31.8) |
| 60–69 | 926 (30.6) | 1287 (29.4) |
| > 70 | 1215 (40.1) | 1693 (38.7) |
| Sex | ||
| F | 1430 (47.2) | 2214 (50.7) |
| M | 1601 (52.8) | 2157 (49.3) |
| ASA grade | ||
| I–II | 1956 (68.9) | 3005 (69.0) |
| III–V | 883 (31.1) | 1347 (31.0) |
| Obese (BMI ≥ 30 kg/m2) | ||
| No | 1823 (68.3) | 3167 (76.6) |
| Yes | 848 (31.7) | 970 (23.4) |
| Smoker | ||
| Not current | 2699 (89.0) | 3962 (90.6) |
| Current | 332 (11.0) | 409 (9.4) |
| Chronic lung disease | ||
| No | 2541 (83.8) | 3912 (89.5) |
| Yes | 490 (16.2) | 459 (10.5) |
| Cardiovascular disease | ||
| No | 1804 (59.5) | 2238 (51.2) |
| Yes | 1227 (40.5) | 2133 (48.8) |
| Diabetes mellitus | ||
| No | 2586 (85.3) | 3582 (81.9) |
| Yes | 445 (14.7) | 789 (18.1) |
| Operative approach | ||
| Minimally invasive | 1709 (56.4) | 2061 (47.2) |
| Open | 1321 (43.6) | 2308 (52.8) |
| Operative site | ||
| Lower abdominal | 2457 (81.1) | 3400 (77.8) |
| Upper abdominal | 451 (14.9) | 856 (19.6) |
| Thoracoabdominal | 123 (4.1) | 115 (2.6) |
| Operative complexity | ||
| Intermediate/major | 1970 (65.0) | 3124 (71.5) |
| Complex major | 1061 (35.0) | 1247 (28.5) |
| Surgical specialty | ||
| Lower gastrointestinal | 1180 (38.9) | 2188 (50.1) |
| Upper gastrointestinal | 257 (8.5) | 374 (8.6) |
| Hepatopancreatobiliary | 279 (9.2) | 573 (13.1) |
| Urology | 719 (23.7) | 357 (8.2) |
| Gynaecology | 596 (19.7) | 879 (20.1) |
| Country World Bank classification | ||
| Low and middle income | 0 (0) | 541 (12.4) |
| High income | 3031 (100) | 3830 (87.6) |
| 30-day pulmonary complication | ||
| No | 2821 (93.1) | 4097 (93.7) |
| Yes | 216 (7.1) | 274 (6.3) |
| 30-day mortality | ||
| No | 3011 (99.3) | 4284 (98.0) |
| Yes | 20 (0.7) | 87 (2.0) |
| SARS-COV-2 diagnosis | ||
| No | 3031 (100) | 4147 (94.9) |
| Yes | 0 (0) | 187 (4.3) |
Values in parentheses are percentages. SARS-COV-2, severe acute respiratory syndrome coronavirus 2.