Skip to main content
. 2011 Mar 10;67(8):847–854. doi: 10.1007/s00228-011-1014-7

Table 2.

The DDD and PDD:DDD ratios of the different substances

Drug class (ATC code) DDD (mg) Percentage of patients PDD:DDD ratio
Mean Median; IQR
Beta-blockers (C07AB) 100 0.84
  Bisoprolol 10 52 0.75 0.56; 0.55–1.09
  Metoprolol 150 33 0.85 0.73; 0.52–1.15
  Nebivolol 5 7 1.15 1.10; 1.09–1.11
  Talinolol 100 4 1.15 1.10; 0.86–1.37
  Atenolol 75 2 0.84 0.73; 0.37–1.15
  Other drugs, each with <2% 2 1.05–1.23
Thiazide diuretics (C03AA) 100 1.00
  Hydrochlorothiazide 25 100 1.00 1.09; 0.73–1.10
Dihydropyridine calcium channel blockers (C08CA) 100 1.51
  Amlodipine 5 37 1.69 1.64; 1.10–2.19
  Nitrendipine 20 22 1.27 1.10; 1.00–1.72
  Lercanidipine 10 16 1.75 1.83; 1.10–2.19
  Nifedipine 30 12 1.03 0.99; 0.67–1.36
  Felodipine 5 9 1.58 1.17; 1.10–2.19
  Other drugs, each with <2% 4 0.44–1.65
Angiotensin-II receptor blockers (C09CA) 100 1.88
  Candesartan 8 26 2.50 2.15; 1.67–3.28
  Valsartan 80 21 1.91 2.13; 1.22–2.15
  Olmesartan medoxomil 20 20 1.36 1.08; 1.07–2.13
  Telmisartan 40 11 1.88 2.14; 1.09–2.15
  Irbesartan 150 11 1.76 2.13; 1.08–2.15
  Losartan 50 7 1.45 1.09; 1.07–2.00
  Eprosartan 600 3 1.10 1.08; 1.07–1.08
ACE inhibitors (C09AA) 100 2.17
  Ramipril 2.5 34 3.29 3.13; 2.17–4.38
  Enalapril 10 33 1.70 1.47; 1.02–2.20
  Lisinopril 10 14 1.64 1.41; 1.09–2.19
  Captopril 50 9 1.38 1.10; 0.56–1.97
  Quinapril 15 5 1.20 1.10; 0.72–1.47
  Other drugs, each with <2% 5 0.93–2.02

IQR = interquartile range (50% of the values lie between the lower and upper limits)

Data in bold are drug classes. The rest are substances