A comparison of RANZCR and Singapore-designed radiation oncology practice audit instruments: how does reproducibility affect future approaches to revalidation?

Australasian Radiology
Thomas P ShakespeareMichael F Back

Abstract

Physician competency assessment requires the use of validated methods and instruments. The Royal Australian and New Zealand College of Radiologists (RANZCR) developed a draft audit form to be evaluated as a competency assessment instrument for radiation oncologists (ROs) in Australasia. We evaluated the reliability of the RANZCR instrument as well as a separate The Cancer Institute (TCI) Singapore-designed instrument by having two ROs perform an independent chart review of 80 randomly selected patients seen at The Cancer Institute (TCI), Singapore. Both RANZCR and TCI Singapore instruments were used to score each chart. Inter- and intra-observer reliability for both audit instruments were compared using misclassification rates as the primary end-point. Overall, for inter-observer reproducibility, 2.3% of TCI Singapore items were misclassified compared to 22.3% of RANZCR items (P < 0.0001, 100.00% confidence that TCI instrument has less inter-observer misclassification). For intra-observer reproducibility, 2.4% of TCI Singapore items were misclassified compared to 13.6% of RANZCR items (P < 0.0001, 100.00% confidence that TCI instrument has less intra-observer misclassification). The proposed RANZCR RO revalidation audit instrum...Continue Reading

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Citations

May 17, 2007·Australasian Radiology·T P Shakespeare, J M Toohey
Sep 25, 2008·Journal of Medical Imaging and Radiation Oncology·J TooheyG Morgan
Feb 25, 2006·Journal of Cancer Education : the Official Journal of the American Association for Cancer Education·Thomas P ShakespeareMichael F Back
Aug 22, 2009·Journal of Medical Imaging and Radiation Oncology·M BoxerN Kaadan
Sep 19, 2006·International Journal of Radiation Oncology, Biology, Physics·Cheng Nang LeongXiaojian Zhang
Nov 22, 2005·International Journal of Radiation Oncology, Biology, Physics·Thomas P ShakespeareRahul K Mukherjee

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