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Table 5 Discrimination, reclassification, and calibration assessment of SCORE versus model adding clinical data

From: Disease activity influences the reclassification of rheumatoid arthritis into very high cardiovascular risk

 

SCORE

SCORE + predictors

p

Reclassification in patients with SCORE < 5%

Discrimination

 AUC

0.766 (0.737–0.794)

0.775 (0.747–0.803)

0.23

Reclassification

 NRI

-

0.07 (0.01–0.12)

0.018

 IDI

-

0.07 (0.05–0.08)

0.000

Calibration

 H-L test

0.35

0.80

 
  1. Clinical data represents age, dyslipidemia, hypertension, and DAS28-ESR
  2. p values in AUC rows represent the comparison between both AUC
  3. NRI and IDI are expressed as their values (95% confidence interval) and p value
  4. p value in H-L test expresses the p value of the Hosmer-Lemeshow chi-square statistical test
  5. Predictors are age, hypertension, dyslipidemia, and DAS28-ESR
  6. SCORE Systematic Coronary Risk Evaluation, AUC area under the curve, NRI net reclassification index, IDI integrated discrimination improvement