Table 7.

Sensitivity, specificity, predictive values and likelihood ratios for different cutoff values

Metric (95% CI)	Cutoff 10	Cutoff 11	Cutoff 12	Cutoff 13
Sensitivity	0.91 (0.81, 0.97)	0.86 (0.76, 0.94)	0.76 (0.64, 0.85)	0.68 (0.56, 0.79)
Specificity	0.49 (0.33, 0.65)	0.60 (0.44, 0.75)	0.79 (0.64, 0.90)	0.84 (0.69, 0.93)
Positive predictive value	0.73 (0.62, 0.82)	0.77 (0.66, 0.86)	0.85 (0.73, 0.93)	0.87 (0.74, 0.94)
Negative predictive value	0.78 (0.58, 0.91)	0.74 (0.57, 0.88)	0.68 (0.53, 0.80)	0.63 (0.49, 0.76)
Positive likelihood ratio	1.78 (1.31, 2.40)	2.18 (1.49, 3.20)	3.62 (1.99, 6.57)	4.19 (2.08, 8.41)
Negative likelihood ratio	0.19 (0.08, 0.42)	0.23 (0.12, 0.43)	0.31 (0.19, 0.48)	0.38 (0.26, 0.55)