Table 1 Clinicopathologic characteristics

Age at surgery, years

57 (46–61)

58 (48–63)

55 (49–62)

53 (43–61)

0.456

Gender (male/female)

13 (42)/18 (58)

7 (88)/1 (13)

41 (45)/50 (55)

49 (41)/72 (59)

0.082

ASA score

0.741

 I/II

0 (0)/4 (13)

0 (0)/0 (0)

4 (4)/17 (19)

5 (4)/18 (15)

 III/IV

23 (74)/2 (13)

8 (100)/0 (0)

66 (73)/4 (4)

87 (73)/9 (8)

Prior abdominal surgery

29 (94)

8 (100)

86 (95)

109 (90)

0.877

Neoadjuvant chemotherapy

28 (90)

5 (63)

52 (57)

88 (73)

0.002*

Time from diagnosis to surgery, months

10 (5–15)

22 (2–40)

7 (4–24)

17 (7–31)

0.009*