ArticleBMJ open2025
Prevalence of potentially inappropriate medication among older patients in a primary care unit of a tertiary care hospital in Thailand: a retrospective cross-sectional study.
Article in BMJ open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Article
- CNS-active medication use and adverse health outcomes among Thai older adults: a population-based retrospective study.Scientific reports · 2026Article
- Anticholinergic burden and clinical outcomes among older adults admitted in a tertiary hospital: a prospective cohort study.PloS one · 2025Article
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Authors and funding
11 authors.
Funding
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Abstract
objectiveOlder adults are prone to developing multiple chronic diseases and have increased medication usage. This has led to the prescription of potentially inappropriate medications (PIMs). This study aimed to assess PIM prevalence among patients visiting the primary care unit (PCU) of a tertiary care hospital and evaluate the associated factors.
designA retrospective cross-sectional study by reviewing medical records in the hospital information system.
settingThe PCU of a tertiary care hospital.
participantsPatients aged ≥65 years who visited the PCU between 1 June and 30 November 2023 and received at least one oral medication. PRIMARY AND SECONDARY OUTCOME MEASURES: PIMs were diagnosed using the updated American Geriatrics Society Beers criteria 2023, and logistic regression was used to identify factors associated with PIM prescriptions.
resultsThe study included 1600 participants, of whom 62.9% were female, with a median age of 72.0 years (IQR=68.0-77.0). The prevalence of PIMs was 39.4%. The three most common PIMs prescribed were diuretics, benzodiazepines and sulfonylureas. An increasing number of underlying diseases, presenting with acute illness (compared with follow-up only) and being treated by staff physicians (compared with trainee physicians) were significantly associated with increased odds of PIM prescriptions (adjusted OR (95% CI) = 1.59 (1.42 to 1.79), 1.58 (1.28 to 1.94) and 1.84 (1.33 to 2.54), respectively).
conclusionPIM prescriptions among older patients in the PCU were high, particularly in those with multiple comorbidities and acute illness presentations. Therefore, physicians should prescribe medications with caution, and various explicit criteria can be used as screening tools to prevent PIM prescriptions.
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