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Table 3 Statistical association of variables with drug–drug interaction

From: Potential drug–drug interactions among elderly patients admitted to medical ward of Ayder Referral Hospital, Northern Ethiopia: a cross sectional study

Variable Category DDI P value Adjusted odds ratio
No Yes
Sex Male 28 45   
Female 25 42 0.531 0.782 (0.363–1.686)
Total 53 87   
Age 60–69 26 50   
70–79 18 30 0.858 0.927 (0.406–2.12)
>80 9 7 0.143 0.392 (0.112–1.373)
Total 53 87   
Comorbidities No 15 10   
Yes 38 77 0.241 0.557 (0.209–1.483)
Total 53 87   
Hospital stay (days) <10 35 38   
≥10 18 49 0.168 0.168 (0.795–3.726)
Total 53 87   
Number of drugs (polypharmacy) <5 35 24   
≥5 18 63 0.000a 4.047 (1.867–8.775)
Total 53 87   
  1. DDI drug–drug interaction
  2. a Statistically significant association