Table 2.
Summary of Questions and Classification of Evidence Based on the Expert Group Evaluation
| Question | ||
|---|---|---|
| 1. | Demography | |
| Years of experience | ||
| Existence of a Colorectal Unit in the hospital | ||
| Knowledge of the SSI rate in colorectal surgery of the unit/hospital | ||
| Existence of an enhanced recovery after surgery (ERAS) program in the unit/hospital | ||
| Number of colectomies in unit/hospital per year (<100, 100–200, >200) | ||
| 2. | Pre-operative measures | Level of evidence |
| Mechanical bowel preparation | High | |
| Prophylaxis with oral antibiotic agents | High | |
| Hair removal | High | |
| Use of electrical clipper if hair removal | High | |
| Alcoholic solutions for patient skin antisepsis | High | |
| 3. | Intra-operative measures | |
| Normothermia | High | |
| Glucose control | High | |
| Hyperoxia | Under evaluation | |
| Plastic surgical site-edge protection devices | High | |
| Peritoneal lavage at the end of laparotomy | Low | |
| Antiseptic coated sutures | Low | |
| Policy on intra-operative changes of gloves | Low | |
| Policy on replacement of surgical instruments prior to closing incision | Low | |
| Sugical site lavage before closure | Low | |
| Negative pressure surgical site therapy | Low |
On each question, they were asked about whether evidence supports method and the actual use of it.