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Table 3 Prevalence of inappropriate drug prescription (Independent of disease or condition)

From: Prevalence of inappropriate medication using Beers criteria in Japanese long-term care facilities

Drugs

Severity*

Number of patients as a percentage of total

(N = 1669)

Pentazocine

High

0.2

Muscle relaxants and antispasmodics

High

0.9

Amitriptyline

High

0.0

Long-acting benzodiazepines

High

1.9

Disopyramide

High

0.2

Digoxin >0.125 mg/d

Low

0.0

Short-acting dipyridamole

Low

0.0

Gastrointestinal antispasmodic drugs

High

0.1

Anticholinergics and antihistamines

High

1.4

Ferrous sulfate>325 mg/d

Low

0.2

Ticlopidine

High

6.3

Doxazosin

Low

1.5

Thioridazine

High

0.1

Short-acting nifedipine

High

2.0

Cimetidine

Low

1.5

Indomethacin

High

0.1

Desiccated thyroid

High

0.1

Methyldopa

High

0.1

Use of any inappropriate drugs

 

21.1

  1. * Severity: Defined conceptually as a combination of both the likelihood that an adverse outcome would occur and the clinical significance of that outcome should it occur [7].