Table 5.

The recurrence rate of OME within 1 year.

Groups	Variables	Non-recurrence rate (n = 62)	Recurrence rate (n = 45)	X2-value	p-value
Child	AST	86.2 %	13.8 %	19.4	∗∗∗∗
	Non-AST	28.6 %	71.4 %
Adult	AST	92 %	8 %	23.7	∗∗∗∗
	Non-AST	24 %	76 %