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Table 3 Comparison of postoperative oncological outcomes between the two groups (x̅ ± s)

From: A modified technique of transanal specimen extraction in the laparoscopic anterior rectal resection for upper rectal or lower sigmoid colon cancer: a retrospective study

Group

Number of patients

Harvested lymph nodes

Postoperative TNM staging (cases)

1-year survival

3-year survival

5-year survival

I

II

III

Observation group

36

14.8

5

19

12

100%

83%

61%

Control group

128

14.1

15

77

36

100%

75%

58%

P value

 

0.062

 

0.730a

 

0.363a

0.723a

T/X2 value

 

1.880

 

0.630

 

0.827

0.126

  1. P < 0.05 is considered statistically significant
  2. aPearson Chi-square test