2.

组患者术后不良反应发生率比较

Comparison of the postoperative incidence of adverse reactions among the three groups (Case number, n=30)

Complication	3D group	2D group	Open group
*P < 0.05 vs open group.
Incision infection	0	0	1
Temporary hypocalcemia	1	1	2
Acro-anesthesia	1	1	2
Voice hoarse	0	1	1
Drinking cough	0	1	1
Postoperative dizziness or vomiting	1*	2	7
Total	3*	6	14