TABLE 2.

Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and number of cases correctly classified (accuracy) for each Static-99R score for a 5-year fixed follow-up for individuals with mental disorders convicted of sexual offenses (n = 100).

Score	Sensitivity	Specificity	PPV	NPV	Accuracy
≥−2	100%	0%	11%	–	0.11
≥−1	100%	1.12%	11.11%	100%	0.12
≥0	100%	3.37%	11.34%	100%	0.14
≥1	100%	7.87%	11.83%	100%	0.18
≥2	100%	20.22%	13.41%	100%	0.29
≥3	100%	37.08%	16.42%	100%	0.44
≥4	100%	46.07%	18.64%	100%	0.52
≥5	72.73%	60.67%	18.6%	94.74%	0.62
≥6	72.73%	74.16%	25.81%	95.65%	0.74
≥7	45.45%	84.27%	26.32%	92.59%	0.80
≥8	36.36%	91.01%	33.33%	92.05%	0.85
≥9	27.27%	94.38%	37.5%	91.3%	0.87
≥10	18.18%	95.51%	33.33%	90.43%	0.87
≥11	9.09%	97.75%	33.33%	89.69%	0.88

The line in boldface indicates the score with the highest median Youden index, although the differences between score 4 and score 6 was quite small (0.4688 compared to 0.4607).