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Table 4 Histopathological characteristics in patients operated for colorectal malignant neoplasm by RCS and LCS surgery. T-stage size of primary tumor, N-stage degree of lymph node dissemination, M-stage locoregional lymph node or distant spread, RCS robot-assisted colorectal surgery, LCS laparoscopic colorectal surgery

From: Improved perioperative outcomes and reduced inflammatory stress response in malignant robot-assisted colorectal resections: a retrospective cohort study of 298 patients

Oncologic outcomes

Level

RCS (n = 143)

LCS (n = 155)

p-value

T-stage, n (%)

0

1 (0.7%)

5 (3.2%)

0.237a

1

35 (24.5%)

27 (17.4%)

 

2

24 (16.8%)

28 (18.1%)

 

3

70 (49.0%)

74 (47.7%)

 

4

13 (9.1%)

21 (13.5%)

 

N-stage, n (%)

0

89 (62.2%)

82 (52.9%)

0.087a

1

31 (21.7%)

50 (32.3%)

 

2

23 (16.1%)

23 (14.8%)

 

M-stage, n (%)

0

143 (100%)

152 (98.1%)

0.043a

1

0 (0%)

3 (1.9%)

 

Harvested lymph nodes, median (IQR)

 

37 (28–47)

34 (25–44)

0.0610b

Microradical resection, n (%)

R0

137 (95.8%)

145 (93.5%)

0.388a

R1

6 (4.2%)

10 (6.5 %)

 
  1. aχ2-test
  2. bWilcoxon rank sum test
  3. cFisher’s exact test