PMID: 22574534May 12, 2012Paper

Contribution of examiner subjectivity and patient heterogeneity on long case examination

Journal of the Medical Association of Thailand = Chotmaihet Thangphaet
Nitipatana ChierakulChana Naruman

Abstract

To evaluate the effect of examiner subjectivity and heterogeneity among the cases on scores from the Royal College of Physicians (RCPT) long case examination. Data from internal medicine candidates who performed clinical part of RCPT board certifying examination in academic year 2008 were collected. For each candidate, scores from pair of examiners for each of the long case was stratified based on disease category according to the course syllabus into 3 groups; very common, common and uncommon diseases. The scores also categorized according to difficulty level subjectively and rated by the examiners into 3 levels; easy, moderate and difficult. Mean scores in each group of encounters were compared using ANOVA. There were 21 examination centers involved with 1,840 number of encounters by 232 candidates. Among 437 patients that have been used for the long case, common scenarios (27.6% of the total) were cirrhosis, hyperthyroidism, cerebral thrombosis, bronchogenic carcinoma, rheumatic heart disease and thalassemia. Mean and SD of scores from the very common, common and uncommon diseases were 75.5 +/- 11.6, 75.6 +/- 10.6 and 74.7 +/- 11.3 respectively, with no statistical significant difference between the groups. Mean and SD of sc...Continue Reading

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