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Table 1 General patient characteristics and medical history

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

Characteristics n = 624
n (%)
General patient characteristics  
Female 491 (78.7)
Lives without couple (Single, Divorced, Widow) 320 (51.3)
Occupation  
   Housewife 399 (63.9)
   Retired-pensioner 119 (19.0)
   Services 16 (2.6)
   Unskilled worker 38 (6.0)
   Clerk 48 (7.7)
   Professionals 4 (0.6)
Age, years, Median (range) 69 (50–94)
Education, years, Median (range) 6 (0–22)
Medical History  
Cardiovascular disease 446 (71.5)
   Myocardial 123 (19.7)
   Hypertension 420 (67.3)
   Peripheral vascular 64 (10.3)
Pulmonary disease 39 (6.3)
Gastrointestinal disease 253 (40.5)
   Chronic Gastro-duodenitis/ulcer disease 225 (36.1)
   Others: inflammatory bowel, liver disease etc. 49 (7.9)
Genito-urinary disease 47 (7.5)
   Renal disease with renal insufficiency 40 (6.4)
   Prostate disease 7 (1.1)
Musculoskeletal and joint disorders 597 (95.7)
   Osteoarthritis 565 (90.5)
   Rheumatoid arthritis 16 (2.6)
   Gout 11 (1.8)
Endocrine, alimentary and metabolic disease 313 (50.2)
   Diabetes mellitus 184 (29.5)
   Thyroid gland disease 22 (3.5)
   Hyperlipidemia 155 (24.8)
   Obesity 39 (6.3)
Neurological disease 51 (8.2)
Mental disease 33 (5.2)
Hematological disease 17 (2.7)
Ophthalmological disease 26 (4.2)
Dermatological disease 14 (2.3)
Infections and parasitic disease 118 (18.9)
   Respiratory infections 47 (7.5)
   Gastrointestinal infections 6 (1.0)
   Genito-urinary infections 43 (6.8)
   Mycosis 28 (4.5)
Trauma 10 (1.6)
  Mean ± SD*
Disease number 3.6 ± 1.5
   Chronic disease 3.4 ± 1.5
   Acute disease and trauma 0.2 ± 0.4
  1. *SD: Standard deviation