Table 2 Outcomes of patients who underwent robotic surgery or laparoscopic surgery

Blood loss (ml)

3.0 (2.0–4.9)

5.1 (4.8-.9.0)

0.002

Postoperative hospital stays (day)

7.5 (7.0–11.0)

7.5 (7.0–12.8)

0.4466

Fasting time (day)

3.0 (2.0–4.0)

2.0 (1.0–5.0)

0.9485

Cost (CNY)

75113.8.0 (69620.0–88757.3)

29295.8 (23917.8–40183.7)

p < 0.0001

Incidence of HAEC

9.7% (3/31)

38.6% (17/44)

R² = 3.998 p = 0.046

Incidence of anastomotic leakage

0

4.5% (2/44)

/

Follow-up time (month)

17.7 (6.8–19.3)

20.8 (18.1–25.3)

/