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Model improvement for the caIMR in combination with BMI.
| AUC (95% CI) | IDI (95% CI) | p value | NRI (95% CI) | p value | |
|---|---|---|---|---|---|
| BMI | 0.57 (0.47-0.67) | Reference | Reference | ||
| BMI + caIMR | 0.66 (0.57-0.76) | 4.3 (0.1-12.3) | 0.020 | 32.8 (0.0-55.4) | 0.020 |
AUC, Area under curve; IDI, Integrated discrimination improvement; NRI, Net reclassification index; CI, confidence interval; BMI, body mass index; caIMR, coronary angiography−derivedindex of microcirculatory resistance.
