NEFL and neurosyphilis: What’s more, as blood candidates for predicting the likelihood of neurosyphilis, the AUCs for sGFAP, serum NFL (sNFL), and serum UCH-L1 (sUCH-L1) were 0.86, 0.90 and 0.97, respectively (with sensitivities of 80.40–90.02%, with specificities of 78.43–80.39%) who are higher than that of serum RPR [76].