Table 3.
Subgroup Analysis: Demographic and Clinical Characteristics of those Undergoing Elective Colorectal Resection
| Skin preparation agent | |||||
|---|---|---|---|---|---|
| Characteristic | CHG (n = 819) | CHG+IPA (n = 1,726) | PVI (n = 460) | IPC+IPA (n = 285) | p Value |
| Age, y, mean (±SD) | 61.7 (15.3) | 61.6 (15.2) | 62.7 (15.9) | 61.8 (15.2) | 0.64 |
| Male, % | 49.7 | 46.4 | 39.3 | 44.7 | <0.01 |
| Comorbidity Index, % | 0.06 | ||||
| 0 | 71.8 | 66.7 | 71.3 | 70.2 | |
| 1 | 20.3 | 24.9 | 23.3 | 21.8 | |
| 2 | 6.6 | 6.4 | 3.3 | 6.0 | |
| 3+ | 1.3 | 2.0 | 2.1 | 2.0 | |
| ASA Class, % | 0.11 | ||||
| I | 7.9 | 6.4 | 4.8 | 2.5 | |
| II | 55.3 | 49.5 | 53.3 | 56.8 | |
| III | 34.3 | 40.5 | 40.0 | 37.5 | |
| IV+ | 2.5 | 3.6 | 1.9 | 3.2 | |
| BMI, kg/m2, mean (SD) | 27.8 (6.3) | 28.7 (6.7) | 27.4 (6.3) | 28.1 (6.2) | 0.21 |
| Current smoker, % | 17.7 | 21.1 | 21.8 | 26.7 | 0.01 |
| Serum albumin <3, % | 11.2 | 8.0 | 10.2 | 9.8 | 0.06 |
| Current steroid use, % | 4.2 | 3.9 | 4.1 | 2.8 | 0.77 |
| Surgical approach, % | <0.01 | ||||
| Laparoscopic | 18.6 | 17.6 | 10.0 | 6.7 | |
| Laparoscopic/converted | 8.9 | 5.8 | 3.0 | 4.6 | |
| Laparoscopic/hand | 25.2 | 16.5 | 12.8 | 30.2 | |
| Open | 44.3 | 57.3 | 73.0 | 57.2 | |
| Laparoscopic robotic | 2.6 | 2.2 | 1.1 | 0.4 | |
| Laparoscopic robotic converted | 0.5 | 0.6 | 0 | 1.1 | |
| Bowel prep used, % | 52.2 | 51.3 | 53.5 | 48.7 | 0.53 |
| Perioperative hyperglycemia, % | 81.1 | 81.9 | 83.3 | 87.7 | 0.26 |
| Perioperative hypothermia, % | 6.7 | 8.8 | 6.7 | 6.2 | 0.44 |
| Procedure duration, min, mean (SD) | 151.2 (75.5) | 163.0 (99.6) | 148.3 (153.6) | 156.3 (67.3) | 0.21 |
| Length of stay, d, mean (SD) | 6.8 (5.8) | 7.2 (6.0) | 7.1 (6.8) | 6.8 (5.7) | 0.33 |
CHG, chlorhexidine; CHG+IPA, chlorhexidine in isopropyl alcohol; PVI, povidone-iodine; IPC+IPA, povacrylex-iodine in isopropyl alcohol; IPA, isopropyl alcohol.