Table 3. Postoperative complication.

	N group (n = 52)	S group (n = 36)	p value
Re-stenotomy	1 (1.9%)	2 (5.6%)	0.362
Mediastinitis	2 (3.8%)	2 (5.6%)	0.709
Atrial fibrillation	17 (32.7%)	7 (19.4%)	0.174
Renal failure (Cre >1.5 mg/dL)	10 (19.2%)	5 (13.9%)	0.518
Re-intubation	1 (1.9%)	1 (2.8%)	0.794

POD: postoperative delirium