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. 2017 Feb;184:97–105. doi: 10.1016/j.ahj.2016.10.020

Table III.

Calibration, discrimination and Brier score for 30-day mortality in the whole cohort

Risk model Calibration intercept (95% CI) Calibration slope (95% CI) AUC (95% CI) Brier score
LES −1.75 (−1.86, −1.64) 0.35 (0.23, 0.48) 0.57 (0.54, 0.61) 0.093
ESII −0.47 (−0.59, −0.36) 0.40 (0.28, 0.53) 0.59 (0.55, 0.62) 0.054
STS 0.07 (−0.04, 0.18) 0.56 (0.42, 0.71) 0.60 (0.57, 0.63) 0.051
German AV −0.36 (−0.47, −0.25) 0.44 (0.32, 0.57) 0.59 (0.56, 0.62) 0.053
FRANCE-2 −0.60 (−0.71, −0.49) 0.69 (0.53, 0.86) 0.62 (0.59, 0.65) 0.053
OBSERVANT −0.31 (−0.42, −0.20) 0.39 (0.25, 0.53) 0.57 (0.54, 0.60) 0.052
ACC TAVI 0.04 (−0.07, 0.15) 0.67 (0.52, 0.82) 0.64 (0.60, 0.67) 0.051

The reported calibration intercept is that estimated assuming a slope of one; satisfactory calibration would occur if the 95% confidence intervals for the calibration intercept and slope span zero and one respectively. Bold items indicate that the 95% CI spans the corresponding reference value.