Table 3.
Clinical outcomes stratified per group, based on COVID-19 postoperative diagnosis
| Variable | n = 1298 | Results for postoperative COVID-19 | p value | |
|---|---|---|---|---|
| Negative | Positive | |||
| n = 1286 | n = 12 | |||
| n (%) | n (%) | |||
| Hospital stay (days) | Mean (SD) | 1.5 (4.2) | 9.5 (17.8) | <0.001a |
| Median (min–max) | 1 (0–63) | 2 (0–58) | ||
| Clavien-Dindo classification | 0 | 917 (99.6) | 5 (0.4) | 0.026b |
| I | 229 (97.9) | 5 (2.1) | ||
| II | 74 (100) | 0 | ||
| III–V | 66 (97.0) | 2 (3.0) | ||
| Operative time (min) | Mean (SD) | 109.0 (96.5) | 175.0 (199.0) | 0.016a |
| Median (min–max) | 84 (5–825) | 162.5 (45–451) | ||
| Blood transfusion | No | 1265 (99.1) | 11 (0.9) | 0.187b |
| Yes | 21 (95.5) | 1 (4.5) | ||
| Type of anesthesia | General with or without regional | 922 (99.1) | 10 (0.9) | 0.632b |
| Regional with or without sedation | 165 (100) | 0 | ||
| Local with or without sedation | 199 (99) | 2 (1) | ||
| Intensive care unit stay | No | 1232 (99.3) | 9 (0.7) | 0.013b |
| Yes | 54 (94.6) | 3 (5.4) | ||
| Readmission | No | 1240 (99.3) | 9 (0.7) | 0.007b |
| Yes | 44 (93.5) | 3 (6.5) | ||
| Month of surgery (2020) | May | 88 (96.7) | 3 (3.3) | 0.010b |
| June | 205 (97.6) | 5 (2.4) | ||
| July | 254 (100) | 0 | ||
| August | 261 (99.2) | 2 (0.8) | ||
| September | 313 (99,7) | 1 (0.3) | ||
| October | 165 (99.4) | 1 (0.6) | ||
SD standard deviation; min–max minimum–maximum
aMann-Whitney test
bFisher exact test