Research Article

Role of Neuron-Specific Enolase in the Diagnosis and Disease Monitoring of Sarcoidosis

Table 2

Diagnostic significance of ACE, sIL-2R, NSE, and the combination for sarcoidosis.

ParameterNo. of patients with sarcoidosis/nonsarcoidosis valueSensitivity (%)Specificity (%)PPV (%)NPV (%)

ACE ()46/0<0.00141.110010048.4
ACE ()66/62
sIL-2R ()85/26<0.00184.253.676.665.2
sIL-2R ()16/30
NSE ()57/160.00150.974.278.145.5
NSE ()55/46
ACE () and/or sIL-2R ()86/26<0.00186.953.676.869.8
Double ()13/30
ACE () and/or NSE ()73/16<0.00166.474.282.055.4
Double ()37/46
sIL-2R () and/or NSE ()92/32<0.00192.942.974.277.4
Double ()7/24
ACE () and/or sIL-2R () and/or NSE ()91/32<0.00193.842.974.080.0
Triple ()6/24

PPV: positive predictive value; NPV: negative predictive value. The data were obtained when cutoff values of ACE, sIL-2R. and NSE were 21.4 IU/L, 482 U/ml, and 12.0 ng/ml, respectively.