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.