Table 3.
Comparison of SSI rates for surgery subgroups
| Surgery | SSI rate/100 procedures | p* |
|---|---|---|
|
| ||
| Amputation | ||
| Toe | 12.8 | Reference |
| Upper limb | 6.8 | <0.0001 |
| Ankle and foot | 17.9 | <0.0001 |
| Knee and leg | 15.6 | <0.0001 |
| Above knee | 13.2 | 0.2941 |
|
| ||
| BILI | ||
| Open liver | 11.1 | Reference |
| Bile duct | 7.2 | <0.0001 |
| Pancreas | 17.2 | <0.0001 |
| Laparoscopic liver | 2.2 | <0.0001 |
|
| ||
| Breast | ||
| Mastectomy | 2.3 | Reference |
| Mastectomy+flap | 4.8 | <0.0001 |
| Mastectomy+expander/implant | 5.1 | <0.0001 |
|
| ||
| Colon | ||
| Open colectomy | 15.7 | Reference |
| Open colectomy+SB | 29.3 | <0.0001 |
| Open colectomy+APPY | 16.2 | <0.6322 |
| Open colectomy+REC | 18.7 | 0.0218 |
| Open colectomy+XLAP Open colectomy ±other | 21.5 | <0.0001 |
| bowel+colostomy | 52.5 | <0.0001 |
| Laparoscopic colectomy | 7.6 | <0.0001 |
|
| ||
| Hernia | ||
| Incisional/anterior abdominal | 6.1 | Reference |
| Umbilical | 4.3 | <0.0001 |
| Inguinal/femoral | 1.9 | <0.0001 |
SB=Small bowel surgery, APPY= Appendix surgery, REC= Rectal surgery, XLAP= Exploratory laparotomy
*
Alpha adjusted for multiple comparisons was: amputation (0.012), BILI (0.016), breast (0.025), colon (0.008) and hernia (0.025).