The PD-1 with PD-L1 Axis Is Pertinent with the Immune Modulation of Atrial Fibrillation by Regulating T Cell Excitation and Promoting the Secretion of Inflammatory Factors

Table 8

Comparison of SIS scores between the two groups with and without stroke.

SIS	Stroke		No stroke
	Cases	Percent	Cases	Percent
≤2	1	25.00	27	65.85
3~4	1	25.00	11	26.83
≥5	2	50.00	3	7.32
Total	4	100.00	41