Skip to main content

Table 1 Comparison of parameters between the SOT and LOT groups

From: BMI and pelvimetry help to predict the duration of laparoscopic resection for low and middle rectal cancer

Factors

Surgery type

P value

SOT (n = 109)

LOT (n = 105)

Age (years)

59.9 ± 9.4

60.8 ± 8.4

0.483

Sex (male: female)

62: 47

74: 31

0.039a

BMI (kg/m2)

23.6 ± 2.8

24.5 ± 2.8

0.024

Comorbidity

29(26.6)

32(30.5)

0.531a

History of abdominal surgery

17(15.6)

11(10.5)

0.267a

Preoperative treatment

50(45.9)

64(61.0)

0.027a

Distance from the anal verge (cm)

7.2 ± 2.1

6.7 ± 2.4

0.127

Tumor size (cm)

2.9 ± 1.7

3.1 ± 1.8

0.563

Pathological stage (0 + I: II + III)

51:58

36:69

0.063a

Pelvic inlet (cm)

11.3 ± 1.1

10.8 ± 1.1

0.001

Pubococcygeal distance (cm)

11.8 ± 1.0

12.0 ± 0.9

0.382

Pelvic length (cm)

12.5 ± 1.3

12.6 ± 1.1

0.785

Sacral depth (cm)

3.8 ± 0.6

3.8 ± 0.5

0.673

Pelvic depth (cm)

10.6 ± 1.0

10.9 ± 0.9

0.025

Pelvic outlet (cm)

8.0 ± 0.9

7.9 ± 0.8

0.568

Interspinous distance (cm)

9.7 ± 1.3

9.5 ± 1.1

0.413b

Intertuberous distance (cm)

10.3 ± 1.5

9.9 ± 1.4

0.048

Anorectal angle (°)

119.6 ± 11.7

119.4 ± 15.5

0.895b

Sacrococcygeal angle (°)

114.2 ± 10.3

115.1 ± 8.3

0.460b

  1. LOT long operative time; SOT short operative time; BMI body mass index
  2. aχ2 test
  3. bMann–Whitney U test