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Table 5 A table of the estimated characteristics of the UKCAT total score (in this case standardised as a z-score) for screening-out medical school applicants likely to fail at least 1 year of university at first sitting

From: Predictive validity of the UKCAT for medical school undergraduate performance: a national prospective cohort study

Cut-off z-score (standardised UKCAT total score) Sensitivity Specificity Accuracy of classification
≤ –3.0 99.9 % 0.2 % 62.6 %
≤ –2.5 99.7 % 1.0 % 62.8 %
≤ –2.0 99.0 % 3.0 % 63.1 %
≤ –1.5 97.2 % 7.00 % 63.4 %
≤ –1.0 92.1 % 15.2 % 63.3 %
≤ –0.5 81.7 % 29.6 % 62.2 %
≤ 0.0 62.1 % 50.5 % 57.8 %
≤ 0.5 37.6 % 72.8 % 50.8 %
≤ 1.0 18.0 % 89.0 % 44.6 %
≤ 1.5 6.7 % 96.2 % 40.2 %
≤ 2.0 1.8 % 99.1 % 38.2 %
≤ 2.5 0.5 % 99.8 % 37.6 %
≤ 3.0 0.1 % 99.9 % 37.5 %