Table 2 Propensity score analysis after matching of non-cardiac surgical patients in Northwest Ethiopia, June 1, 2019, to July 01, 2021
Preoperative anemia | |||||
|---|---|---|---|---|---|
Factor | Group | No | Yes | P-value | SMD |
N = 1351 (50%) | N = 1351 (50%) | ||||
Sex | Female | 553 (40.9) | 536 (39.7) | 0.53 | 0.026 |
Male | 798 (59.1) | 815 (60.3) | |||
ASA physical status | 1 | 881 (65.2) | 859 (63.6) | 0.397 | 0.067 |
2 | 370 (27.4) | 404 (29.9) | |||
3 | 84 (6.2) | 77 (5.7) | |||
4 | 16 (1.2) | 11 (0.8) | |||
Comorbidity | No | 1039 (76.9) | 1049 (77.6) | 0.679 | 0.018 |
Yes | 312 (23.1) | 302 (22.4) | |||
Trauma | No | 881 (65.2) | 871 (64.5) | 0.717 | 0.016 |
Yes | 470 (34.8) | 480 (35.5) | |||
Type of surgery | Elective | 705 (52.2) | 699 (51.7) | 0.847 | 0.009 |
Emergency | 646 (47.8) | 652 (48.3) | |||
Age (median [IQR]) | 36.00 [26.50, 52.00] | 35.00 [26.00, 51.00] | 0.955 | 0.008 | |
28-day postoperative mortality | No | 1318 (97.6) | 1298 (96.1) | 0.037 | 0.084 |
Yes | 33 (2.4) | 53 (3.9) | |||