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Table 1 Summary of demographics and clinical variables

From: Polypharmacy and the occurrence of potential drug–drug interactions among geriatric patients at the outpatient pharmacy department of a regional hospital in Durban, South Africa

Demographics Frequency (n = 250)
Gender  
 Female 169 (67.6%)
 Male 81 (32.4%)
Age (years)  
 60–64 77 (30.8%)
 65–69 48 (19.2%)
 70–74 64 (25.6%)
 75–79 34 (13.6%)
 80–84 16 (6.4%)
 > 85 11 (4.4%)
Clinical variables Frequency (n = 250)
Diagnosed clinical problems  
 1 10 (4.0%)
 2 38 (15.2%)
 3 81 (32.4%)
 4 69 (27.6%)
 > 5 52 (20.8%)
Number of prescribed medicines  
 3–6 26 (10.4%)
 7–10 62 (24.8%)
 11–14 90 (36.0%)
 15–18 50 (20.0%)
 > 19 22 (8.8%)
Number of potential drug–drug interactions  
 0–10 146 (58.4%)
 11–20 80 (32.4%)
 21–30 19 (7.6%)
 31–40 4 (1.6%)
 > 41 1 (0.4%)