TABLE 1.

Receiver operating characteristic analysis to determine optimal index value thresholds from day of onset

Minimum specificity (%)	No. of days from onset	Threshold	Sensitivity (%)	Specificity (%)	pAUCa (%)
99.9	≥17	1.5	100.0	100.0	100.0
	≥14	1.5	97.2	100.0	98.6
	≥10	1.5	92.1	100.0	96.1
	≥7	1.4	84.2	100.0	92.1
99.8	≥17	1.5	100.0	100.0	100.0
	≥14	1.5	97.2	100.0	98.6
	≥10	1.5	92.1	100.0	96.1
	≥7	1.3	94.9	99.9	92.2
99.5	≥17	1.5	100.0	100.0	100.0
	≥14	0.8	97.9	99.6	98.6
	≥10	0.7	94.4	99.6	96.4
	≥7	0.7	88.0	99.6	92.8
99.0	≥17	1.5	100.0	100.0	100.0
	≥14	0.8	97.9	99.6	98.8
	≥10	0.6	94.9	99.3	96.9
	≥7	0.6	88.4	99.3	93.4

^apAUC, partial area under the concentration-time curve.