表 6. Comparison of the adverse reactions among three groups.

三组患者术后不良反应比较

Indicator	Control group (n=43)	R group (n=43)	RD group (n=43)
a P<0.05, vs. control group; b P<0.05, vs. R group.
Disgusting/case (%)	18 (41.9)	9 (20.9)a	4 (9.3)a,b
Vomiting/case (%)	13 (30.2)	7 (16.3)a	2 (4.7)a,b
Urinary retention/case (%)	0 (0)	0 (0)	0 (0)
Low blood pressure/case (%)	0 (0)	0 (0)	0 (0)
Hypoxemia/case (%)	0 (0)	0 (0)	0 (0)
Itching/case (%)	0 (0)	0 (0)	0 (0)
Cardiovascular events/case (%)	3 (7.0)	2 (4.7)	0 (0)
Toxicity of local anesthesia/case (%)	0 (0)	0 (0)	0 (0)
Hematoma/case (%)	0 (0)	0 (0)	0 (0)
Pneumothorax/case (%)	0 (0)	0 (0)	0 (0)
Infection/case (%)	0 (0)	0 (0)	0 (0)