From: Seasonal and daily variations in the occurence and outcomes of acute Stanford type A dissections: a retrospective single-center study
Winter
Spring
Summer
Autumn
P value
In-hospital mortality
12.3%
10.4%
9.6%
9.8%
0.89
The duration of hospital stay (days)
17.0 (4.0–24.0)
20.0 (14.0–29.0)
20.0 (12.5–31.0)
20.0 (13.0–30.0)
< 0.01