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Table 1 Possible risk factors and their association with the prevalence of bacterial infection among patients with external ocular infection at University of Gondar hospital, Northwest Ethiopia, 2016

From: Bacterial pathogens associated with external ocular infections alongside eminent proportion of multidrug resistant isolates at the University of Gondar Hospital, northwest Ethiopia

Variables Culture results COR (95% CI) AOR(95% CI) P-value
n (%) -ve n (%) +ve n (%)
Previous ocular infection Yes 215(68.9) 81(37.7) 134(62.3) 1.69(1.041–2.74)   
No 97(31.1) 49(50.5) 48(49.5) 1   
Previous use of antimicrobials Yes 147(47.1) 49 (33.3) 98(66.7) 1.93(1.219–3.05) 1.84(1.132–2.97) 0.014
No 165(52.9) 81(49.1) 84(50.9) 1 1  
History of surgery Yes 46(14.7) 19(41.3) 27(58.7) 1.02(0.539–1.92)   
No 266(93.6) 111(41.7) 155(58.3) 1   
Duration of present illness <1 week 107(34.3) 52(48.6) 55(51.4) 1 1  
2–4 weeks 33(10.6) 9(27.3) 24(72.7) 2.52(1.072–5.93) 2.72(1.116–6.62) 0.028
>4 weeks 172(55.1) 69(40.1) 103(59.9) 1.41(0.868–2.29) 1.26(0.754–2.12) 0.34
Ocular trauma Yes 57(18.3) 30(52.6) 27(47.4) 1   
No 255(81.7) 100(39.2) 155(60.8) 1.72(0.967–3.068)   
  1. n number of patients, −ve negative, +ve positive, COR crude odds ratio, AOR adjusted odds ratio
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