Table 3.
Patients characteristics and potential risk factors of SB surgery
| Characteristics | Total (N=185) | With SSI (N=20) | Without SSI (N=165) | P-value* |
|---|---|---|---|---|
| Age at surgery, in years, median (IQR) | 52 (37–66) | 53 (38–67) | 51 (36–66) | 0.963 |
| Gender % | Male 55.4 | Male 70.0 | Male 53.7 | 0.165 |
| Female 44.6 | Female 30.0 | Female 46.3 | ||
| Duration of surgery in minutes, median | 150 | 150 | 145 | 0.424 |
| ASA score, n (%) | ||||
| 1+2 | 104 (63.4) | 7 (50) | 97 (64.7) | 0.276 |
| 3+4 | 60 (36.6) | 7 (50) | 53 (35.3) | |
| ASA unknown | 21 | 6 | 15 | |
| Wound class, n (%) | ||||
| CC | 106 (57.3) | 15 (75) | 91 (55.2) | 0.090 |
| Co + D | 79 (42.7) | 5 (25) | 74 (44.8) | |
| Scope use | 24 (13.0) | 2 (10.0) | 22 (13.3) | 0.675 |
| Emergency % | 52 (28.1) | 10 (50.0) | 42 (25.5) | 0.021 |
| SSI by SSI Risk Index category, n (%) | ||||
| 0+1 | 118 (72) | 10 (71.4) | 108 (72) | 0.964 |
| 2+3 | 46 (28) | 4 (28.6) | 42 (28) | |
| Unknown | 21 | 6 | 15 |
Notes:
*
Chi-squared or Fisher’s exact test, the P-value used was for categorical variables and in the Mann–Whitney U test, the P-value used was for continuous variables.
Abbreviations: ASA, American Society for Anesthesiologists; CC, clean-contaminated wound; CO, contaminated wound; D, dirty wound; IQR, interquartile range; SB, small bowel; SSI, surgical site infection.