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

Table 3 Statistical association of variables with drug–drug interaction

Variable	Category	DDI		P value	Adjusted odds ratio
Variable	Category	No	Yes	P value	Adjusted odds ratio
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	0.000^a	4.047 (1.867–8.775)
	Total	53	87

ISSN: 1756-0500