Table 2 Univariate and multivariate analysis of factors in CK elevation

BMI (kg/M²)

21.8 (16.5-29.3)

22.3 (16-31.4)

0.96

Tumor location (upper/lower rectum)

23/9

26/8

0.67

Neoadjuvant chemotherapy

4

2

0.35

CLS/RALS

28/4

10/24

0.001

0.02

6

1.3-2.5

Operation time (min)

286 (193-470)

407 (276-651)

0.001

0.001

15.9

3.79-67.4

Blood lost (g)

23 (5-90)

23 (8-110)

0.75

Ileostomy

16

21

0.34

pstage (I / II / III)

10/8/14

12/9/13

0.89