Assessing Drug-Drug Interaction Potential among Patients Admitted to Surgery Departments in Three Palestinian Hospitals

Table 4

Bivariate analysis of factors associated with potential drug-drug interactions among 502 patients admitted to surgery wards in 3 Palestinian hospitals.

Factor		Presence of DDIs ( (%))	Absence of DDIs ( (%))	value
Sex	Males	154 (57.0%)	116 (43.0%)	0.605
	Females	127 (54.7%)	105 (45.3%)
Age (years)	20-39	76 (48.7%)	80 (51.3%)	0.077
	40-59	112 (56.3%)	87 (43.7%)
	60-79	72 (62.0%)	44 (38.0%)
	≥80	21 (67.7%)	10 (32.3%)
Number of prescribed drugs	2-4	21 (19.4%)	87 (80.6%)	<0.001
	5-7	91 (47.4%)	101 (52.6%)
	8-10	72 (74.2%)	25 (25.8%)
	≥11	97 (93.3%)	7 (6.7%)
Hospitalization period (days)	1-3	88 (49.2%)	91 (50.8%)	0.072
	4-6	113 (59.5%)	77 (40.5%)
	≥7	80 (60.2%)	53 (39.8%)