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Table 2 Most common medication classes according to the WHO Anatomical Therapeutic Chemical (ATC) classification system

From: Medication burden and inappropriate prescription risk among elderly with advanced chronic kidney disease

ATCNumber of medication prescriptions: n (%)Number of patients with at least 1 prescription of this type: n (%)
Alimentary tract and metabolism (A)934 (18.0%)459 (82.6%)
 A11Vitamins306 (5.89%)245 (44.1%)
 A02Drugs for acid-related disorders224 (4.31%)218 (39.2%)
 A10Drugs used in diabetes179 (3.44%)135 (24.3%)
 A06Drugs for constipation98 (1.89%)83 (14.9%)
 OthersAlimentary tract and metabolism medications127 (2.44%)118 (21.2%)
Blood and blood-forming organs (B)559 (10.8%)402 (72.3%)
 B01Antithrombotic agents395 (7.60%)340 (61.2%)
 B03Antianemic preparations164 (3.20%)162 (29.1%)
Cardiovascular system (C)2031 (39.1%)545 (98.0%)
 C03Diuretics431(8.29%)413 (74.3%)
 C08Calcium channel blockers316 (6.08%)310 (55.7%)
 C10Lipid-modifying agents286 (5.50%)276 (49.6%)
 C09Agent acting on the renin-angiotensin system281 (5.41%)262 (47.1%)
 C07Beta-blocking agents268 (5.16%)264 (47.5%)
 C02Antihypertensive drugs203 (3.91%)166 (29.9%)
 OthersAntihypertensive medications246 (4.73%)196 (35.3%)
Musculoskeletal system (M)
 M04Antigout preparations171 (3.29%)167 (30.03%)
 OthersMusculoskeletal system medications34 (1%)165 (29.7%)
Nervous system (N)450 (8.70%)273 (49.1%)
 N05Psycholeptics212 (4.08%)184 (33.1%)
 N06Psychoanaleptics95 (1.83%)82 (14.8%)
 N02Analgesics110 (2.12%)94 (16.9%)
 Othernervous system medications33 (0.64%)32 (5.8%)
Various (V)397 (7.6%)296 (53.2%)
 V03Drugs for treatment of hyperkalemia and hyperphosphatemia122 (2.35%)122 (21.94%)
275 (5.29%)242 (43.53%)
Other class of medications620 (11.9%)401 (72.1%)
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