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Table 3 Pathological findings and short-term outcomes in the LAC-E and LAC-NE groups

From: Short- and long-term outcomes of laparoscopic surgery for colorectal cancer in the elderly aged over 80 years old versus non-elderly: a retrospective cohort study

Factors

LAC-E group

LAC-NE group

P-value

(n = 85)

(n = 358)

Pathological findings

 Tumor location

  Right colon

38 (44%)

116 (32%)

NS

  Left colon

15 (18%)

92 (26%)

 

  Rectum

32 (38%)

150 (42%)

 

 Tumor differentiation

  Well/moderately

75 (88%)

325 (91%)

NS

  Poorly/mucinous

10 (12%)

33 (9%)

 

 Tumor size (mm, mean ± SD)

47 ± 21

41 ± 20

NS

 pT stage

  T0-T1

13 (15%)

94 (26%)

< .05

  T2-T4

72 (85%)

264 (74%)

 

 pN stage

  N0

50 (59%)

233 (65%)

NS

  N1-N2

35 (41%)

125 (35%)

 

 TNM Stage

  0-II

47 (55%)

226 (63%)

NS

  III-IV

38 (45%)

132 (37%)

 

Short-term outcomes

 Operative time (min, mean ± SD)

249 ± 87

288 ± 118

< .01

 Blood loss (g, mean ± SD)

97 ± 124

125 ± 223

NS

 Intraoperative complication

0

1

NS

 Conversion to open surgery

0

1

NS

 Days to solid diet (days, mean ± SD)

4.1 ± 2

4.5 ± 4

NS

 Length of hospital stay (days, mean ± SD)

23 ± 39

18.2 ± 16

NS

 Postoperative complication

  Mortality

0

0

NS

  Overall morbidity (CD grade 2 or more)

12 (14%)

32 (9%)

NS

   Anastomotic leakage

0

4 (1%)

NS

   Bowel obstruction

5 (6%)

9 (3%)

NS

   Enterocolitis

3 (4%)

7 (2%)

NS

   Intraabdominal abscess

2 (2%)

6 (2%)

NS

   Bleeding

0

2 (0.6%)

NS

   Pneumonia

0

0

NS

   Others

2 (2%)

4 (1%)

NS

  1. CD Clavien-Dindo, LAC-E laparoscopic surgery in elderly patients, NS not significant, LAC-NE laparoscopic surgery in non-elderly patients