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Table 5 Calibration and discriminatory capacity of CI-AKI risk scores

From: Validation of pre-operative risk scores of contrast-induced acute kidney injury in a Chinese cohort

 

Maioli

Chen

Liu

Lian

Lin

Ghani

Inohara

Zeng

CI-AKI broad1

C-statistic (95%CI)

0.49

0.49 (0.45–0.54)

0.49 (0.46–0.52)

0.46 (0.42–0.50)

0.49 (0.46–0.52)

0.44 (0.40–0.48)

0.52 (0.48–0.56)

0.47 (0.43–0.52)

HL (P)

0.94

< 0.05

0.67

0.47

0.47

< 0.05

0.35

0.56

CI-AKI broad2

C-statistic (95%CI)

0.57

0.55 (0.44–0.66)

0.54 (0.46–0.62)

0.51 (0.42–0.59)

0.53 (0.46–0.60)

0.53 (0.44–0.62)

0.55 (0.46–0.64)

0.56 (0.47–0.62)

HL (P)

0.91

< 0.05

0.5

0.39

0.51

< 0.05

0.08

0.75

CI-AKI narrow

C-statistic (95%CI)

0.76

0.76 (0.63–0.89)

0.70 (0.58–0.82)

0.68 (0.57–0.78)

0.63 (0.51–0.75)

0.71 (0.59–0.84)

0.50 (0.36–0.65)

0.63 (0.49–0.78)

HL (P)

0.91

< 0.05

0.49

0.35

0.46

< 0.05

0.16

0.75

  1. CI-AKI Contrast-induced acute kidney injury, HL Hosmer-Lemeshow test