TABLE 4.

Characteristics of ruptured IA and unruptured IA.

PTBP1 methylation	Ruptured IA (n = 24)	Unruptured IA (n = 24)	t	p
CpG1 methylation (%)	3.43 ± 0.34	3.11 ± 0.38	0.63	0.535
CpG2 methylation (%)	4.71 ± 0.37	3.94 ± 0.40	1.40	0.168
CpG3 methylation (%)	2.26 ± 0.31	2.18 ± 0.28	0.19	0.853
CpG4 methylation (%)	1.87 ± 0.39	1.58 ± 0.27	0.63	0.533
CpG5 methylation (%)	2.32 ± 1.10	1.56 ± 0.46	0.64	0.528
CpG6 methylation (%)	1.73 ± 0.76	1.01 ± 0.26	0.89	0.376
Mean methylation (%)	2.72 ± 0.29	2.23 ± 0.26	1.25	0.219