Table 2: Intraoperative and postoperative variables of 77 patients with aortic dissection type A in the winter season (from November to April).

Nonskiers ( )Skiers ( )P value

Aortic root replacement15 (25%)3 (17.6%)0.535
Cardiopulmonary bypass time (min)205 (109–423)201 (144–600)0.874
Crossclamp time (min)126 (45–288)129 (91–313)0.822
Hypothermic circulatory arrest 56 (93.3%)16 (94.1%)0.357
Circulatory arrest time (min)40 (5–108)39 (8–83)0.630
Lowest body temperature (°C)18 (14–28)18.5 (16–32)0.694
Intensive care unit stay (day)5 (1–66)4.5 (1–54)0.360
Prolonged ventilation requiring tracheostomy4 (6.7%)0 (0%)0.232
Postoperative length of stay (days)15 (6–66)9 (5–25)0.033
Hospital mortality8 (13.3%)1 (5.9%)0.399