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Table 1 Characteristics of the study sample (n = 28,729)

From: Quality use of medicines in patients with chronic kidney disease

DemographicsNumber (%)
Age (years)
 20–296 (0.02)
 30–3961 (0.21)
 40–49257 (0.89)
 50–591039 (3.62)
 60–694234 (14.74)
 70–7910,219 (35.57)
 80–8910,434 (36.32)
 90+2479 (8.63)
Male Gender12,736 (44.3)
CKD Risk Factors
 Hypertension23,998 (83.2)
 CVD13,611 (47.4)
 Diabetes13,292 (46.3)
Number of medications [Mean (SD)]8.42 (3.75)
Top 5 medications categorised according to the ATC groups
 Agents acting on the renin-angiotensin system20,391 (71.0)
 Analgesics16,084 (56.0)
 Drugs for acid-related disorders15,861 (55.2)
 Antithrombotic drugs11,691 (40.7)
 Diuretics10,965 (38.2)
Stages of CKD
 Stage 1 ≥ 90 mL/min/1.73m227 (0.1)
 Stage 2 60–89 mL/min/1.73m2387 (6.8)
 Stage 3a 45–59 mL/min/1.73m218,553 (64.6)
 Stage 3b 30–44 mL/min/1.73m27539 (26.2)
 Stage 4 15–29 mL/min/1.73m21955 (6.8)
 Stage 5 < 15 mL/min/1.73m2268 (0.9)
  1. CVD Cardiovascular disease, ATC Anatomical Therapeutic Chemical classification system