TABLE 2.

Accuracy of Score Cutoffs for Detecting 28-Day Mortality Using the Study of the Treatment and Outcomes in Critically Ill Patients With Coronavirus Disease 2019 Mortality Index in the External Site Validation

Score Cutoff	Sensitivity (%)	Specificity (%)	Positive Predictive Value	Negative Predictive Value
> 0	99	11	36	93
> 1	98	13	37	93
> 2	92	40	44	90
> 3	87	49	47	88
> 4	80	62	52	86
> 5	75	67	55	84
> 6	68	72	56	81
> 7	61	78	60	79
> 8	58	82	62	79
> 9	47	88	68	76
> 10	42	90	70	75
> 11	38	93	74	74
> 12	32	95	76	73
> 13	26	96	77	71
> 14	21	97	78	70
> 15	18	98	80	70
> 16	17	98	85	69
> 17	13	99	85	69
> 18	10	99	90	68
> 19	8	100	92	68
> 20	6	100	94	67
> 21	4	100	100	67
> 22	3	100	100	66
> 23	2	100	100	66
> 24	2	100	100	66
> 25	1	100	100	66
> 26	1	100	100	66
> 27	1	100	100	66
> 28	0	100	100	66