Variable

Total number of data (N = 157)

Age < 50 years

(n = 12)

Age ≥ 50 years

(n = 145)

Sensitivity

0.84

1.00

0.84

Specificity

0.18

0.11

0.19

PPV

0.61

0.27

0.65

NPV

0.42

1.00

0.40

LR+

1.02

1.13

1.04

LR−

0.86

0.00

0.84