Table 5 Multivariate logistic model on predictors of SSI at surgical ward of HURH from March 2 to May 2, 2015 (N=105)
From: Incidence and predictors of surgical site infection in Ethiopia: prospective cohort
Variables | Surgical site infection | ||||
|---|---|---|---|---|---|
Yes N (%) 20(19.1%) | No N (%) 85(89.9%) | Crude OR(95% CI) | Adjusted OR(95% CI) | P | |
Residence | |||||
Rural | 15(25%) | 45(75%) | 2.67(0.889–7.996) | 0.83(0.144–4.840) | 0.839 |
Urban | 5(11.1%) | 40(88.9) | 1 | ||
Age in year | |||||
1–18 | 2(7.1%) | 26(92.9%) | 0.59(0.105–3.245) | 0.91(0.106–7.823) | 0.933 |
19–40 | 5(11.6%) | 38(88.4%) | 1 | ||
>40 | 13(38.2%) | 21(61.8%) | 4.71(1.47–15.022) | 7.72(1.46–40.810) | 0.016 |
Cigarette smoking | |||||
Yes | 9(32.1%) | 19(67.9%) | 2.84(1.027–7.866) | 3.70(0.797–17.16) | 0.095 |
No | 11(14.3) | 66(85.7%) | 1 | ||
ASA Score | |||||
>1 | 18(23.7%) | 58(76.3%) | 4.19(0.907–19.36) | 3.27(0.42–25.551) | 0.258 |
<=1 | 2(6.9%) | 27(93.1%) | 1 | ||
Preoperative hospital stay | |||||
>7 days | 14(51.9%) | 13(48.1%) | 12.92(4.20–39.77) | 22.4(4.54–110.78) | 0.001 |
<=7 days | 6(7.7%) | 72(92.3%) | 1 | ||
Co-morbidity | |||||
Present | 4(33.3%) | 8(66.7%) | 2.41(0.646–896) | 1.49(0.174–12.81) | 0.715 |
Absent | 16(17.2%) | 77(82.8%) | 1 | ||
Previous surgery | |||||
Yes | 6(42.9%) | 8(57.1%) | 4.13(1.240–13.72) | 3.64(0.539–24.54) | 0.185 |
No | 14(15.2%) | 78(84.8) | 1 | 1 | |
Wound class | |||||
Clean-contaminated | 9(14.8%) | 52(82.2%) | 0.52(0.194–1.388) | 0.54(0.10–2.798) | 0.460 |
Clean | 11(25.0%) | 33(75.0%) | 1 | ||
Duration of surgery | |||||
>1 hour | 15(31.9%) | 32(68.1%) | 4.97(1.649–14.97) | 8.01(1.56–41.099) | 0.013 |
<=1 hours | 5(8.6%) | 53(91.4%) | 1 | ||
Time of fist dose AMP administered before skin incision | |||||
>1 hour | 16(25%) | 48(75%) | 2.78(0.853–9.030) | 11.10(1.63–75.64) | 0.014 |
<=1 hour | 4(10.5%) | 34(89.5%) | 1 | ||