Table 6.

Post-operative complications in the case group and control group.

	Cerebrospinal fluid leakage	Recurrent laryngeal nerve injury	Postoperative wound infection	Total complications
Case group	0	1	2	3
Control group	2	3	8	13
P-value	0.150*	0.301*	0.038*	0.004*

^*Using chi square test.