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. 2022 Dec 28;25(1):61–70. doi: 10.1111/jch.14606

TABLE 4.

The prediction models’ performance

mAUROC (95% CI) Inter‐model mAUROC (95% CI) difference
Without the electrolyte values (reference) .774 (.738–.794)
Calcium .779 (.745–.800) .006 (.0003 to .01)
Potassium .779 (.745–.800) .005 (.0004 to .01)
With crude electrolyte values
Sodium .777 (.743–.797) .004 (–.002 to .01)
Magnesium .777 (.743–.799) .004 (–.0007 to .01)
Na/K ratio .771 (.735–.790) –.002 (–.007 to –.0002)
Energy .774 (.739–.794) .001 (–.004 to .005)
With energy‐adjusted electrolyte values Calcium .774 (.739–.794) .00005 (–.002 to .003)
Potassium .773 (.737–.792) –.001 (–.005 to .002)
Sodium .772 (.736–.791) –.001 (–.007 to .002)
Magnesium .773 (.738–.793) –.0007 (–.003 to .002)
Na/K ratio .771 (.735–.790) –.002 (–.007 to –.0001)

Note: Differences between models with and without the electrolyte values are shown in the rightmost column.

Abbreviations: CI, confidence interval; mAUROC, mean area under the receiver operating characteristic curve.