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Table 1 Average pass rates in UK and non-UK candidates, before and after equating

From: Implementing statistical equating for MRCP(UK) parts 1 and 2

   UK all UK 1st Non-UK all Non-UK 1st
Part 1 Pre-equating 47.4% 52.7% 25.0% 27.6%
  Post-equating 50.0% 54.0% 36.2% 41.8%
  Increase post-equating 1.11x 1.06x 1.70x 1.88x
  Mann–Whitney U-test P = .448 P = .647 P < .001 P < .001
Part 2 Pre-equating 77.3% 81.2% 50.9% 56.0%
  Post-equating 77.5% 81.1% 56.5% 63.1%
  Increase post-equating 1.01x 0.99x 1.25x 1.34x
  Mann–Whitney U-test P = .892 P = .723 P = .091 P = .010
  1. Based on 30 pass rates for Part 1 (15 pre- and 15 post-equating) and 25 pass rates for Part 2 (15 pre- and 10 post-equating). Mann–Whitney U tests show exact significance calculated by SPSS.