Table 4 Bivariate logistic regression model on factors associated with 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 | P value | |
Gender | |||||
Male | 11(55%) | 53(62.35%) | 0.74 | 0.276–1.974 | 0.545 |
Female | 9(45%) | 32(43.52) | 1 | ||
Residence | |||||
Rural | 15(25%) | 45(75%) | 2.67 | 0.889–7.996 | 0.080 |
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 | 0.539 |
19–40 | 5(11.6%) | 38(88.4%) | 1 | ||
>40 | 13(38.2%) | 21(61.8%) | 4.71 | 1.473–15.022 | 0.009 |
Obesity | |||||
BMI>=30 kg/m2 | 1(33.3%) | 2(66.7%) | 2.18 | 0.188–25.354 | 0.532 |
BMI <30 kg/m2 | 19(18.6%) | 83(81.4%) | 1 | ||
Preoperative blood transfusion | |||||
Yes | 1(20%) | 4(80%) | 1.07 | 0.113–10.087 | 0.956 |
No | 19(19%) | 81(81%) | 1 | ||
Cigarette smoking | |||||
Yes | 9(32.1%) | 19(67.9%) | 2.84 | 1.027–7.866 | 0.044 |
No | 11(14.3) | 66(85.7%) | 1 | ||
ASA Score | |||||
>1 | 18(23.7%) | 58(76.3%) | 4.19 | 0.907–19.360 | 0.067 |
<=1 | 2(6.9%) | 27(93.1%) | 1 | ||
Preoperative hospital stay | |||||
>7 days | 14(51.9%) | 13(48.1%) | 12.92 | 4.200–39.768 | 0.001 |
<=7 days | 6(7.7%) | 72(92.3%) | 1 | ||
Co-morbidity | |||||
Present | 4(33.3%) | 8(66.7%) | 2.41 | 0.646–8.967 | 0.191 |
Absent | 16(17.2%) | 77(82.8%) | 1 | ||
Diabetic mellitus | |||||
Yes | 1(25.0%) | 3(75.0%) | 1.44 | 0.142–14.603 | 0.758 |
No | 19(18.8%) | 82(81.2%) | 1 | ||
HIV/AIDS | |||||
Yes | 1(33.3%) | 2(66.7%) | 2.18 | 0.188–25.354 | 0.532 |
No | 19(18.6%) | 83(81.4%) | 1 | ||
Hypertension | |||||
Yes | 1(25%) | 3(75%) | 1.44 | 0.142–14.603 | 0.758 |
No | 19(18.8%) | 82(81.2%) | 1 | ||
Wound class | |||||
Clean- contaminated | 9(14.8%) | 52(85.2%) | 0.52 | 0.194–1.388 | 0.191 |
Clean | 11(25.0%) | 33(75.0%) | 1 | ||
Surgery type | |||||
Emergency | 6(16.7%) | 30(83.3%) | 0.79 | 0.274–2.256 | 0.654 |
Elective | 14(20.3%) | 55(79.7%) | 1 | ||
Previous surgery | |||||
Yes | 6(42.9%) | 8(57.1%) | 4.13 | 1.240–13.722 | 0.012 |
No | 14(15.2%) | 78(84.8) | 1 | ||
Duration of surgery | |||||
>1 hour | 15(31.9%) | 32(68.1%) | 4.97 | 1.649–14.974 | 0.004 |
<=1 hours | 5(8.6%) | 53(91.4%) | 1 | ||
Time of fist dose AMP administered before skin incision | |||||
>1 hour | 16(24.6%) | 49(75.4%) | 2.78 | 0.853–9.030 | 0.090 |
<=1 hour | 4(10.5%) | 34(89.5%) | 1 | ||
Duration of AMP administration | |||||
>1 days | 18(21.4%) | 66(78.6%) | 2.32 | 0.490–10.978 | 0.289 |
<=1 day | 2(10.5%) | 17(89.5%) | 1 | ||