Marker
|
Sensitivity
|
Specificity
|
Efficiency
|
PPVa
|
NPVb
|
---|
Serum LHc
|
124/126 (98.4)
|
17/17 (100)
|
141/142(98.6)
|
124/124 (100)
|
17/17 (89.5)
|
Serum testosterone (CLIA)d
|
106/126 (84.1)
|
6/17 (35.3)
|
112/143 (78.3)
|
106/117 (90.6)
|
6/26 (23.1)
|
Serum testosterone (LC MSMS)e
|
123/126 (97.6)
|
5/17 (29.4)
|
128/143 (89.5)
|
123/135 (91.1)
|
5/8 (62.5)
|
-
a
PPV positive predictive value, b
NPV negative predictive value, c
LH Luteinizing hormone, d
CLIA Chemiluminiscent immunoassay, e
LC MSMS Liquid chromatography tandem mass espectrometry