Item

n

Hospital stay

Operation time

Intraoperative bleeding

Volume of drainage

DAA group

50

8.24 ± 3.04

122.79 ± 35.95

217.56 ± 164.51

225.09 ± 97.71

PLA group

50

9.00 ± 2.15

58.13 ± 11.42

271.47 ± 101.03

304.85 ± 74.39

t

−2.147

18.384

−2.947

−6.802

P

0.033

<0.001

0.004

<0.001