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Table 3 Surgical outcomes and postoperative outcomes of the patients

From: Evaluation of the advantages of robotic versus laparoscopic surgery in elderly patients with colorectal cancer

 

Robotic surgery (n = 55)

Laparoscopic surgery (n = 56)

Overall (n = 111)

P

Surgical procedure, n (%)

   

0.152

Radical right hemicolectomy

17(30.9)

20(35.7)

37(33.3)

 

Transverse colectomy

0(0)

2(3.6)

2(1.8)

 

Radical left hemicolectomy

3(5.5)

1(1.8)

4(3.6)

 

Sigmoid colectomy

12(21.8)

15(26.8)

27(24.3)

 

Anterior resection

21(38.2)

11(19.6)

32(28.8)

 

Abdominoperineal resection

1(1.8)

4(7.1)

5(4.5)

 

Other*

1(1.8)

3(5.4)

4(3.6)

 

Anesthetic time, mean (SD), min

230.7(56.4)

223.6(62.2)

227.1(59.2)

0.531

Surgical operative time, mean (SD), min

174.4(52.3)

170.2(58.8)

172.3(55.5)

0.690

Blood loss, mean (SD), mL

76.9(39.7)

161.6(207.1)

119.6(155.0)

0.025

Transfusion, n (%)

5(9.1)

11(19.6)

16(14.4)

0.114

Conversion, n (%)

1(1.8)

0(0)

1(0.9)

0.495

ICU need, n (%)

17(30.9)

15(26.8)

32(28.8)

0.632

ICU stay, median (IQR), days

0(0–1)

0(0–1)

0(0–1)

0.629

Multivisceral resection, n (%)

2(3.6)

3(5.4)

5(4.5)

 > 0.999

Time to flatus, median (IQR), days

2(2–4)

3(2–4)

3(2–4)

0.330

Time to soft food intake, median (IQR), days

4(4–5)

4.5(4–6)

4(4–6)

0.080

Length of postoperative hospital stay, median (IQR), days

10(8–12)

9(8–11)

10(8–12)

0.795

Mortality within 30 days, n (%)

0(0)

0(0)

0(0)

N/A

Morbidity within 30 days, n (%)

10(18.2)

12(21.4)

22(19.8)

0.668

Anastomotic leakage

1(1.8)

1(1.8)

2(1.8)

 

Cardiovascular event

4(7.3)

6(10.7)

10(9.0)

 

Postoperative ileus

1(1.8)

2(3.6)

3(2.7)

 

Pneumonia

1(1.8)

1(1.8)

2(1.8)

 

Urinary retention

1(1.8)

2(3.6)

3(2.7)

 

Abdominal/anastomotic bleeding

1(1.8)

0(0)

1(0.9)

 

Wound infection

1(1.8)

1(1.8)

2(1.8)

 

Delirium

1(1.8)

0(0)

1(0.9)

 

Abdominal abscess

1(1.8)

1(1.8)

2(1.8)

 

Lymphatic fistula

1(1.8)

0(0)

1(0.9)

 

Rectovaginal fistula

1(1.8)

0(0)

1(0.9)

 

Clavien-Dindo classification, n (%)

   

0.444

II

7(12.7)

10(17.9)

17(15.3)

 

III

1(1.8)

0(0)

1(0.9)

 

IV

0(0)

0(0)

0(0)

 

V

0(0)

0(0)

0(0)

 

Readmission within 30 days, n (%)

1(1.8)

1(1.8)

2(1.8)

 > 0.999

  1. Abbreviation: SD Standard deviation, ICU Intensive care unit, IQR Interquartile range
  2. *The robotic group has 1 patient who received right colon and sigmoid colon radical surgery. The laparoscopic group has 1 patient who underwent right colon and sigmoid colon radical surgery, 1 right colon and rectum radical surgery, and 1 sigmoid colon and rectum radical surgery