Table 2.
Association between AE and patient characteristics
| Patient characteristics | Total (n) | AE, n (%) | Without AE, n (%) | p-value |
|---|---|---|---|---|
| Sex | ||||
| Male | 1896 | 273 (14.4%) | 1623 (85.6) | 0.001 |
| Female | 2328 | 256 (11%) | 2072 (89%) | |
| Age | ||||
| <65 years old | 2084 | 178 (8.5%) | 1906 (91.5%) | <0.001 |
| ≥65 years old | 2141 | 351 (16.4%) | 1790 (83.6%) | |
| Elective vs. urgent | ||||
| Elective | 1470 | 126 (8.6%) | 1344 (91.4%) | <0.001 |
| Urgent | 2755 | 403 (14.6%) | 2352 (85.4%) | |
| Medical vs. surgical | ||||
| Medical | 2075 | 278 (13.4%) | 1797 (86.6%) | <0.001 |
| Surgical | 1866 | 218 (11.7%) | 1648 (88.3%) | |
| CCI (Charlson Comorbidity Index) | 4225 | 529 3.05a |
3696 2.27a |
<0.001 |
aIndependent-samples t-test (comparing means).