Table 2.
Demographic variables
| Total | COVID-19 (+) | COVID-19 (−) | p value | |
|---|---|---|---|---|
| Patients | 701 | 39 | 662 | – |
| Age; mean ± SD | ||||
| Years | 51 ± 18.4 | 46 ± 19.4 | 52 ± 18.4 | 0.124 |
| Sex (%) | ||||
| Male | 358 (51%) | 19 (48.7%) | 339 (51.2%) | 0.890 |
| Female | 343 (49%) | 20 (51.3%) | 323 (48.8%) | |
| ASA; n (%) | ||||
| I–II | 649 (92.6%) | 34 (87.2%) | 615 (92.9%) | 0.308 |
| ≥ III | 52 (7.4%) | 5 (12.8%) | 47 (7.1%) | |
| BMI; n (%) | ||||
| ≤ 18,5 | 16 (2.3%) | 3 (7.7%) | 13 (2%) | 0.043 |
| 18,5–24,9 | 257 (36.7%) | 15 (38.5%) | 242 (36.6%) | |
| 25–29,9 | 275 (39.2%) | 10 (25.6%) | 265 (40%) | |
| 30–39,9 | 139 (19.8%) | 11 (28.2%) | 128 (19.3%) | |
| ≥ 40 | 14 (2%) | 0 (0%) | 14 (2.1%) | |
| Comorbidities; n (%) | ||||
| None | 350 (49.9%) | 19 (48.7%) | 331 (50%) | 0.876 |
| One or more | 351 (50.1%) | 20 (51.3%) | 331 (50%) | |
| Hypertension | 174 (24.8%) | 11 (28.2%) | 163 (24.6%) | 0.615 |
| Metabolic disease* | 96 (13.7%) | 5 (12.8%) | 91 (13.7%) | 0.870 |
| Respiratory disease | 45 (6.4%) | 3 (7.7%) | 42 (6.3%) | 0.738 |
| Cardiovascular disease | 46 (6.6%) | 3 (7.7%) | 43 (6.5%) | 0.769 |
| Neurological disease | 17 (2.4%) | 1 (2.6%) | 16 (2.4%) | 0.953 |
| Oncological** or immunosuppression | 57 (8.1%) | 5 (12.8%) | 52 (7.9%) | 0.271 |
| Cancer***, n (%) | ||||
| Yes | 124 (17.7%) | 8 (20.5%) | 116(17.5%) | 0.634 |
| No | 577 (82.3%) | 31 (79.5%) | 546 (82.5%) | |
SD standard deviation, ASA American society of anesthesia classification, BMI body mass index.
*Includes diabetes, hypothyroidism, obesity, or dyslipidemia. **Includes cancer diagnosis not related to the surgical indication. ***Includes cancer diagnosis related to the surgical indication