Table 2 Baseline population characteristics

Median age (years), [IQR]

38 [27–53]

43 [33–51]

42 [31–51]

Sex (male/female)

26/23

46/35

72/58

0.71

BMI (kg/m²)

 < 30

37 (75.5%)

65 (80.2%)

102 (78.5%)

 > 0.99

 ≥ 30

8 (16.3%)

13 (16.1%)

21 (16.2%)

 No data

4 (8.2%)

3 (3.7%)

7 (5.4%)

Procedure

 Laparoscopy

43 (87.8%)

63 (77.8%)

106 (81.5%)

0.16

 Laparotomy

5 (10.2%)

6 (7.4%)

11 (8.5%)

0.75

 Conversion

1 (2.0%)

12 (14.8%)

13 (10.0%)

0.03

 Two-stage

31 (63.3%)

46 (56.8%)

77 (59.2%)

0.47

 Three-stage

18 (36.7%)

35 (43.2%)

53 (40.8%)

0.47

Anastomosis

 Stapler

49 (100%)

64 (79.0%)

113 (86.9%)

< 0.001

 Hand-Sewn

0 (0.0%)

17 (21.0%)

17 (13.1%)

Frequency of postoperative endoscopy (mean)

3.39

3.40

3.40

> 0.99