Table 5.

Model Predictive Performance in the Validation Cohort at Various Risk Score Thresholds

Risk Score Threshold (Percentage of Total Sample)	True Positive, No.	True Negative, No.	False-Positive, No.	False-Negative, No.	Sensitivity, %	Specificity, %	Positive Predictive Value, %	Negative Predictive Value, %
≥69 (100)	181	0	234	0	100.0	na	43.6	na
≥86 (90)	175	35	199	6	96.7	15.0	46.8	85.4
≥92 (80)	169	71	163	12	93.4	30.3	50.9	85.5
≥98 (70)	159	102	132	22	87.8	43.6	54.6	82.3
≥105 (60)	152	137	97	29	84.0	58.5	61.0	82.5
≥113 (50)	137	163	71	44	75.7	69.7	65.9	78.7
≥119 (40)	116	184	50	65	64.1	78.6	69.9	73.9
≥126 (30)	91	201	33	90	50.3	85.9	73.4	69.1
≥134 (20)	64	215	19	117	35.4	91.9	77.1	64.8
≥150 (10)	34	227	7	147	18.8	97.0	82.9	60.7
>176 (0)	0	234	0	181	na	100.0	na	56.4

na = not applicable.