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Table 2 Descriptive statistics for all continuous study variables within the two analysed samples

From: Exploring sociodemographic subgroup differences in multiple mini-interview (MMI) performance based on MMI station type and the implications for the predictive fairness of the Hamburg MMI

  N M SD Min Max Skew Kurt
MMI sample
 MMI station performance 11,6581 3.37 0.96 1 5 −0.32 − 0.40
Student sample
 zMMI overall 400 0.40 0.87 −2,34 2.59 −0.22 0.10
 OSCE overall performance 400 85.43 4.79 68.33 97.50 −0.43 0.41
 OSCE communication station 400 80.00 10.54 30.00 100.00 −0.65 1.82
  1. N = sample size, M = mean, SD = standard deviation, Min = minimum value, Max = maximum value, Skew = Skewness, Kurt = Kurtosis
  2. MMI = multiple mini-interview, zMMI = z-standardized MMI values, OSCE = objective structured clinical examination
  3. 1Based on 1438 first attempt candidates; three individual station performances were not available