Table 4

Performance data

THIN (external validation)
QResearch (internal validation)Multiple imputationComplete case
FemalesMalesFemales (n = 1 082 730)Males (n = 1 067 592)Females (n = 873 026)Males (n = 823 873)
R2 (95% CI)58.7 (55.4 to 61.9)62.0 (59.1 to 64.8)60.0 (56.6 to 63.5)66.6 (64.1 to 69.2)62.0 (58.4 to 65.7)66.1 (63.2 to 69.0)
D statistic (95% CI)2.44 (2.27 to 2.60)2.61 (2.45 to 2.77)2.51 (2.32 to 2.70)2.89 (2.72 to 3.07)2.61 (2.40 to 28.3)2.86 (2.66 to 3.05)
C statistic (95% CI)0.84 (0.82 to 0.86)0.87 (0.85 to 0.88)0.89 (0.87 to 0.90)0.92 (0.91 to 0.93)0.90 (0.88 to 0.91)0.91 (0.90 to 0.93)