CD4 and infarction: Conversely, diminished concentrations of CD3, CD4, and INF-γ demonstrate negative correlations with lacunar infarction (CD3: P = 0.004, χ2 = 8.184; CD4: P = 0.009, χ2 = 6.396; INF-γ: P = 0.003, χ2 = 13.132) (Fig. 3A).