Table 3 Crude clinical outcome of operative patients stratified by months with high and low influenza activity for acute type A aortic dissections admitted to the University of Michigan Medical Center between 10/2009 and 4/2019 (n = 433).

From: Higher admission rates and in-hospital mortality for acute type A aortic dissection during Influenza season: a single center experience

 

High influenza activity months (n = 191)

Low influenza activity months (n = 242)

p-value

Surgery delay (days)

1.32

0.93

0.13

Length of Admission (days)

13.51

13.95

0.33

Post-Op Pneumonia

16.23%

15.70%

0.44

Emergent Status

83.68%

84.30%

0.43

In hospital Mortality

10.99%

5.79%

0.024

30-day mortality

9.68%

5.44%

0.048

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