Table 3.

Postoperative profile

	RNSM (n = 40)	CNSM (n = 41)	P value
Postoperative hospital stays, days	9.2 ± 2.7	7.1 ± 2.0	<0.001*
Postoperative hospital stays, days (recent 20 cases)	7.8 ± 1.9	7.0 ± 2.2	0.252
Nausea (severe/moderate/mild/none)
At PACU	6/2/0/32	5/2/0/34	0.906
0-6 hours	8/5/1/26	10/7/2/22	0.747
6-24 hours	4/6/5/25	7/4/1/29	0.262
Vomiting
At PACU	2 (5%)	3 (7%)	>0.999
0-6 hours	6 (15%)	12 (29%)	0.123
6-24 hours	2 (5%)	6 (15%)	0.264
Postoperative complication
Seroma	2 (5%)	2 (5%)	>0.999
Hematoma	0 (0%)	2 (5%)	0.494
Wound dehiscence	1 (3%)	4 (10%)	0.359
Infection	3 (8%)	3 (7%)	>0.999
Nipple necrosis
Surgical Tx	0 (0%)	1 (2%)	>0.999
Conservative Tx	5 (13%)	5 (12%)	>0.999
Mastectomy skin flap necrosis
Surgical Tx	2 (5%)	6 (15%)	0.264
Conservative Tx	1 (3%)	1 (2%)	>0.999

Notes: Data are presented as mean ± standard deviation or number of patients (proportion). *P <0.05.

Abbreviation: RNSM, robotic nipple-sparing mastectomy; CNSM, conventional nipple-sparing mastectomy; PACU, post-anesthesia care unit; Tx, treatment.