Fig. 4

Correlation of frequency of TIGIT-expressing CD3⁺CD4⁺ T lymphocytes with urine protein. a The frequency of TIGIT-expressing CD3⁺CD4⁺ T lymphocytes in SLE patients correlated significantly with MALB (r² = 0.33; P = 0.0081). b The frequency of TIGIT-expressing CD3⁺CD4⁺ T lymphocytes was significantly increased in SLE patients with MALB >20 mg/L (P = 0.046). c The frequency of TIGIT-expressing CD3⁺CD4⁺ T lymphocytes in SLE patients correlated significantly with IgU (r² = 0.26; P = 0.021). d The frequency of TIGIT-expressing CD3⁺CD4⁺ T lymphocytes in SLE patients correlated significantly with TRU (r² = 0.24; P = 0.027)