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Table 2 Number of Inappropriate Prescriptions (%) according to classification by McLeod et al. (of original 38 recommendations).

From: Development and use of a computer program to detect potentially inappropriate prescribing in older adults residing in Canadian long-term care facilities

Practice – McLeod Guideline Our Definition using drug prescription surrogates Inappropriate Prescriptions n (%)
Total inappropriate practices – Cardiovascular diseases   6 (7.2)
γ#Prescription of B-adrenergic blocking agent to treat hypertension for patients with history of asthma or COPD Prescription of B-adrenergic blocking agent with B-agonist or bronchial anti-inflammatory agent 5 (6.0)
#Prescription of disopyramide to treat atrial fibrillation Prescription of disopyramide 0 (0.0)
γ#Prescription of thiazide diuretic to treat hypertension for patients with history of gout Prescription of thiazide diuretics with gout medication (e.g. allopurinol) 1 (1.2)
Total inappropriate practices – Psychotropic Drugs   30 (36.1)
*#Long-term prescription of long half-life benzodiazepine to treat insomnia Long-term prescription of any long half-life benzodiazepine (e.g. valium) 4 (4.8)
#γPrescription of tricyclic antidepressants to treat depression for patients with history of glaucoma, benign prostatic hyperplasia, or heart block Prescription of tricyclic antidepressant with glaucoma or prostate medication 8 (13.6)
*#Long-term prescription of barbituate to treat insomnia Long-term prescription of any barbituate 1 (1.2)
#Prescription of selective serotonin reuptake inhibitor for patients already receiving a monoamine oxidase inhibitor to treat depression Prescription of selective serotonin reuptake inhibitor for patients already receiving a monoamine oxidase inhibitor 0 (0.0)
*#Long term prescription of triazolam to treat insomnia Long-term prescription of triazolam 0 (0.0)
#Prescription of chlorpromazine to treat psychosis for patients with history of postural hypotension Prescription of chlorpromazine 0 (0.0)
#Prescription of nylidrin, niacin, pentoxifylline to treat dementia Prescription of nylidrin, niacin or pentoxifylline 0 (0.0)
#Prescription of tricyclic antidepressants with active metabolites to treat depression Prescription of tricyclic antidepressants 17 (20.5)
#Prescription of methylphenidate to treat depression Prescription of methylphenidate 0 (0.0)
Total inappropriate practices – NSAIDS and other analgesics   39 (47.0)
#γPrescription of NSAIDS to treat osteoarthritis for patients with a history of peptic ulcer Prescription of NSAIDS with histamine 2 antagonists or proton pump inhibitors 5 (6.0)
*Long term prescription of meperidine or pentazocine for pain Long term prescription of meperidine or pentazocine 0 (0.0)
#Prescription of NSAIDS to treat osteoarthritis for patients taking warfarin Prescription of NSAIDS with warfarin 3 (3.6)
#+Long-term prescription of NSAIDS to treat osteoarthritis for patients with history of heart failure or hypertension Prescription of NSAIDS with diuretics 13 (15.7)
*#Long term prescription of piroxicam, ketorolac, or mefenamic acid to treat pain Long term prescription of piroxicam, ketorolac or mefenamic acid 0 (0.0)
*#γLong term prescription of indomethacin to treat gout Long term prescription of indomethacin with gout medication (e.g. allopurinol)  
#*Long term prescription of NSAIDS to treat osteoarthritis Long term prescription of NSAIDS 18 (21.7)
Total inappropriate practices – miscellaneous drugs   8 (9.6)
#Prescription of cimetidine to treat peptic ulcer for patients already receiving warfarin Prescription of cimetidine with warfarin 1 (1.2)
#Prescription of anticholinergic drugs to prevent extrapyramidal effects of antipsychotic drugs Prescription of anticholinergic drugs (e.g. congentin) with antipsychotic drugs (e.g. risperdal) 6 (7.2)
#*Long term prescription of diphyenoxylate to treat diarrhea Long term prescription of diphenoxylate 0 (0.0)
#Prescription of cyclobenzaprine or methocarbamol to treat muscle spasms Prescription of cyclobenzaprin or methocarbamol 1 (1.2)
  1. *Prescribed longer than 2 weeks, +Recommendations from McLeod guidelines grouped together, γRecommendations from McLeod guidelines that were modified by using drug prescriptions as surrogates for disease states #Assumption made that drug only used in treatment of specified disease Excluding ASA (combination or alone) as an inappropriate prescription, including all other NSAIDS