Primary surgery group

            (n = 350)

Revisional surgery group

      (n = 35)

p

Hospital stay (days)

4.07 ± 1.50

4.86 ± 2.37

0.84

Operation time (minutes)

75.22 ± 21.65

135.52 ± 47.37

0.001

Complications

(n)

Leak

7

1

0.07

Hemorrhage

6

2

0.33

Stenosis

6

2

0.33