Table 5.

Outcomes in patients with and without POT in patients undergoing AADS after propensity score matching

Variables	Included patients n = 100 (%)	Without POT n = 50 (%)	With POT n = 50 (%)	χ2/Z	P value
Readmission to ICU	19 (19)	8 (16)	11 (22)	0.585	0.444
ICU stay (days)	15 (8, 21)	8 (5, 11)	20 (17, 26)	7.535	< 0.001
Hospital stay (days)	27 (19, 36)	22 (18, 34)	29 (23, 38)	2.828	0.049
Mortality	30 (30)	10 (20)	20 (40)	4.762	0.029

AADS, Stanford type A acute aortic dissection surgery; ICU, intensive care unit; POT, postoperative tracheostomy