Table 4.

Sensitivity, specificity, PPV, NPV, and accuracy for predicting a complication given specific cutoff times during resuscitation course

Cutoff time (hours)	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	Accuracy (%)
2	74	26	50	65	50
3	70	36	52	54	53
6	46	67	57	55	56
9	35	82	66	56	58
11.25	32	86	70	56	61
12	26	87	66	54	59
18	12	91	67	51	52
24	9	96	69	51	52

PPV positive predictive value, NPV negative predictive value