CD4 and cervical squamous intraepithelial neoplasia: The percentage of Th22 cells (CD4+IFNγˉIL17ˉIL22+ T cells, pure Th22 cells) and Th17 cells (CD4+IFNγˉIL17+IL22ˉ T cells, pure Th17 cells) of CIN (Th22: 1.27 ± 0.56 %, p = 0.001; Th17: 3.10 ± 1.40 %, p < 0.001) and CC patients (Th22: 1.75 % ± 0.704 %, p < 0.001; Th17: 3.35 ± 1.34, p < 0.001) significantly increased compared with HC (Th22: 0.77 % ± 0.36 %; Th17: 1.78 ± 0.80 % ).