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. 2017 Feb 3;17:119. doi: 10.1186/s12879-016-2167-x

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)

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