Group

N

Operation

time(min)

Bleeding

volume (ml)

Postoperative bleeding time (d)

A

200

3.53 ± 2.31

18.53 ± 8.42

5.65 ± 3.62

B

198

3.60 ± 1.96

17.53 ± 9.47

3.35 ± 2.41

C

197

7.24 ± 2.53*#

29.07 ± 9.07*#

9.63 ± 5.34*#

F

86.765

49.226

58.792

P

<0.001

<0.001

<0.001