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Table 2 Exposure to potential drug–drug interactions stratified with respect to patients’ characteristics

From: Potential drug-drug interactions in outpatient department of a tertiary care hospital in Pakistan: a cross-sectional study

Characteristics All types of interactions (n = 534) Only major interactions (n = 225)
n (%a) n (%a)
Gender
 Male 230 (21.1) 101 (9.3)
 Female 304 (23.2) 124 (9.5)
Age (Years)
  ≤ 10 41 (5.4) 64 (8.4)
 11–20 79 (20.5) 32 (8.3)
 21–30 129 (29.1) 44 (9.9)
 31–40 87 (28.1) 28 (9)
 41–50 100 (34.2) 37 (12.7)
 51–60 59 (42.8) 12 (8.7)
  > 60 39 (60) 8 (12.3)
Prescribed medicines
  ≤ 3 141 (14.7) 95 (9.9)
 4–6 315 (25.5) 115 (9.3)
  > 6 78 (38.4) 15 (7.4)
Clinical Specialties
 Medicine 221 (32.2) 58 (8.4)
 Pediatrics 31 (5.1) 56 (9.2)
 Dermatology 15 (6.4) 19 (8.1)
 Ear Nose and Throat 36 (18.9) 17 (8.9)
 Surgical 31 (23.5) 12 (9.1)
 Chest 37 (29.8) 13 (10.5)
 Psychiatry 58 (50.9) 11 (9.6)
 Cardiology 62 (69.7) 12 (13.5)
 Gynecology 19 (24.4) 13 (16.7)
 Orthopedic 12 (16.4) 10 (13.7)
 Dentistry 4 (10.3) 3 (7.7)
 Miscellaneous 8 (27.6) 1 (3.4)
  1. - aPercentage within subsection of variable i.e., row wise percentage