Table 2 Comparison of perioperative conditions between the laparoscopic and control groups

Operation time (min)

116.7 ± 37.5

148.2 ± 46.7

Surgical margin (cm)

2.1 ± 1.2

2.2 ± 0.6

Intraoperative blood loss (mL)

117.5 ± 35.5

265.9 ± 70.3

Grade of peritoneal adhesions (cases)

 1

18

20

 2

8

6

 3

3

4

 4

2

3

VAS score (cases)

 0–3

20

9

 4–6

8

18

 7–10

3

6

ALT (U/L)^a

179.6 ± 17.4

312.3 ± 28.2

AST (U/L)^a

84.1 ± 16.1

223.4 ± 30.1

Anal exsufflation time (days)

2.1 ± 0.3

2.8 ± 0.7

Postoperative time until the patient could walk (days)

1.6 ± 0.6

2.2 ± 0.8

Hospital stay (days)

4.5 ± 1.3

6.0 ± 1.2

Inpatient costs (×10,000 yuan)

6.3 ± 0.4

5.5 ± 0.6

0.079

Postoperative recurrence [cases (%)]

5 (16.1)

7 (21.2)

0.603