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Factors associated with variations in general practitioner prescribing costs
The New Zealand Medical Journal
|January 13, 1982
Summary
Patient diagnosis, not the doctor, significantly impacts prescription costs. Conditions like hypertension and diabetes drive higher spending, while doctor prescribing behavior appears rational and influenced by peer review.
Area of Science:
- Health economics
- Clinical pharmacy
- General practice
Background:
- Prescription costs represent a significant healthcare expenditure.
- Understanding factors influencing prescribing costs is crucial for cost containment.
Purpose of the Study:
- To analyze patient and doctor factors contributing to prescription cost variations.
- To investigate the relationship between diagnoses and script costs.
Main Methods:
- Exploratory study analyzing data from 520 patients across eight doctors.
- Statistical analysis to identify contributions of patient and doctor factors to cost variance.
Main Results:
- Diagnosis was the primary driver of prescription cost and item number variance.
- Hypertension, diabetes/endocrine/hormonal problems, and multiple diagnoses were associated with higher costs.
- Older age groups incurred higher costs; doctor identity had minimal impact on variance.
Conclusions:
- Prescribing behavior is rationally linked to patient diagnoses.
- Peer review may be effectively reducing prescribing cost variance among these doctors.