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Table 1 Patient demographics and baseline characteristics

From: A novel single-port laparoscopic operation for colorectal cancer with transanal specimen extraction: a comparative study

Patient characteristics

Total patients (n = 83)

TUSE (n = 68)

TASE (n = 15)

P-value

Age (years)

   

0.442

  Median (range)

66.0 (38.0–82.0)

66.0 (38.0–82.0)

65.0 (50.0–75.0)

 

  Mean ± SD

63.9 ± 10.3

64.3 ± 11.0

62.0 ± 8.3

 

Sex, n (%)

   

1.000

  Men

47 (56.6)

38 (55.9)

6 (40.0)

 

  Women

36 (43.4)

30 (44.1)

9 (60.0)

 

Body-mass index, kg/m2 (%)

   

0.281

  Median (range)

23.2 (16.2–30.3)

23.5 (16.2–30.3)

22.0 (18.7–26.7)

 

  Mean ± SD

23.0 ± 2.9

23.2 ± 3.0

22.3 ± 2.4

 

Charlson comorbidity index, n (%)

   

0.091

  Charlson index = 0

37 (44.6)

28 (41.2)

10 (66.7)

 

  Charlson index > 0

46 (55.4)

40 (58.8)

5 (33.3)

 

The location of lesion

   

0.151

  Sigmoid colon (including the rectosigmoid junction)

52 (62.7)

40 (58.8)

12 (80.0)

 

  Rectum

31 (37.3)

28 (41.2)

3 (20.0)

 

Operative method

   

0.259

  Anterior resection

43 (51.8)

33 (48.5)

10 (66.7)

 

  Low anterior resection

40 (48.2)

35 (51.5)

5 (33.3)

 
  1. Abbreviations: SD standard deviation, TASE transanal specimen extraction, TUSE transumbilical specimen extraction.