Table 6.

Comparison of the one-year postoperative recurrence rates and the mortality between the two groups

group	Number of cases	Recurrence	No recurrence	Death
Endoscopic group	45	3 (6.67)	42 (93.33)	0 (0)
Microscopy group	42	9 (21.43)	33 (78.57)	2 (4.76)
X2		1.365		5.362
P value		0.001		0.998