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Table 2 Prescribed drugs

From: Potential drug-drug and drug-disease interactions in prescriptions for ambulatory patients over 50 years of age in family medicine clinics in Mexico City

Anatomical Therapeutic Chemical groups* Medications
n = 3739
n (%)
Patients
n = 624
n (%)
Alimentary tract and metabolism 990 (26.5) 495 (79.3)
   Drugs used in diabetes 250 (6.7) 179 (28.7)
   Drugs for gastrointestinal disease** 437 (11.7) 332 (53.2)
   Vitamins 236 (6.3) 209 (33.5)
   Mineral supplements 88 (2.4) 87 (13.9)
Blood and blood forming organs 253 (6.8) 247 (39.6)
Cardiovascular system 929 (24.8) 470 (75.3)
Dermatologicals 81 (2.1) 66 (10.6)
Genitourinary system and sex hormones 20 (0.5) 20 (3.2)
Systemic hormonal preparations 29 (0.8) 27 (4.3)
Antiinfectives for systemic use 158 (4.2) 149 (23.9)
Musculoskeletal system 680 (18.2) 569 (91.2)
   Non-steroidal anti-inflammatory drugs 611 (16.3) 560 (89.8)
   Others drugs for the musculoskeletal system 69 (1.8) 61 (9.8)
Nervous system 380 (10.2) 298 (47.8)
   Analgesics and antipyretics (Paracetamol) 229 (36.7) 229 (36.7)
   Other nervous system drugs*** 152 (4.1) 119 (19.1)
Respiratory system 117 (3.1) 81 (13.0)
Sensory organs 102 (2.7) 56 (9.0)
Mean number of prescribed drugs, Mean ± SD****   5.9 ± 2.5
Number of prescribed drugs   n (%)
2   22 (3.5)
3–4   168 (26.9)
5–6   210 (33.7)
≥ 7   224 (35.9)
  1. *Anatomical Therapeutic Chemical classification system (ATC)
  2. **A02–A09 in the ATC
  3. ***N01; N02A and C; N03–N07 in the ATC
  4. ****SD: Standard deviation