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Table 4 Summary of sensitivity and specificity of thresholds

From: Lesion-to-background ratio threshold value of SUVmax of simultaneous [68Ga]Ga-PSMA-11 PET/MRI imaging in patients with prostate cancer

Threshold

Sensitivity

Specificity

Youden’s index

1.0

95.5%

31.2%

0.267

1.5

92.0%

43.0%

0.350

2.0

88.6%

54.8%

0.434

2.5

85.2%

72.0%

0.572

3.0

73.9%

79.6%

0.535

3.5

61.4%

82.8%

0.442

4.0

50.0%

88.2%

0.382

  1. Bold value indicates the largest Youden’s index value