Variable | Category | Frequency | Percent |
---|---|---|---|
History of Previous Surgery | No | 376 | 84.1 |
Yes | 71 | 15.9 | |
Preoperative Blood Transfusion | No | 409 | 91.5 |
Yes | 38 | 8.5 | |
Surgical Wound Class | Clean | 95 | 21.3 |
Clean-contaminated | 352 | 78.7 | |
ASA Score | ASA I | 179 | 40.0 |
ASA II | 118 | 26.4 | |
ASA III | 100 | 22.4 | |
ASA IV | 44 | 9.8 | |
ASA V | 6 | 1.4 | |
Body Mass Index | 18.5—24.9 | 355 | 79.4 |
 > 24.9 | 67 | 15.0 | |
 < 18.5 | 25 | 5.6 | |
Length of Pre-Operative Hospital Stay (hours) | Median | IQR | |
32 | (18, 73) |