Table 2. Operative results of patients before and after propensity score matching.

Results	Before propensity score matching				After propensity score matching
	Control group (n=45)	No-waiting group (n=78)	P		Control group (n=33)	No-waiting group (n=33)	P
Operating time (min)	103.89±44.30	100.65±44.48	0.69		102.97±48.07	80.12±35.53	0.03
Bleeding volume (mL)	72.00±82.04	66.92±67.25	0.71		74.24±91.07	52.12±48.85	0.23
Drainage time (days)	2.89±3.51	2.38±1.46	0.36		3.0±4.02	2.51±1.72	0.48
Postoperative hospital stay (days)	4.84±3.44	4.50±1.48	0.53		4.82±3.94	4.42±1.25	0.59