Predictive Role of QTc Prolongation in Carbon Monoxide Poisoning-Related Delayed Neuropsychiatric Sequelae

Table 4

ROC curves of QTc for discriminating DNS stratified by duration from CO exposure to ECG recording.

Hour from exposure to ECG recording	AUC	95% Confidence Interval of AUC	P value
< 2hrs.	0.747	0.563 to 0.883	0.036
2-3 hrs.	0.740	0.632 to 0.831	0.034
4-5 hrs.	0.743	0.630 to 0.837	0.007
6-7 hrs.	0.683	0.531 to 0.811	0.221
≥ 8 hrs.	0.518	0.408 to 0.626	0.821

AUC, area under the curve.