CD4 and peeling skin syndrome: Interestingly, also with a cutoff value of 4.865, the frequency of CD4+GranzB+CTLs could predict the patients with pSS in response to extraglandular manifestations with a sensitivity of 85.2% and a specificity of 80% (AUC = 0.851; 95% CIs, 0.777–0.925) (Fig. 5B).