Table 3 The relationship between clinical results and the time of injection in patients using carbon nanoparticles

Time to detect the tumor

3.06 ± 2.63

2.11 ± 0.44

0.269

Blood loss

123.24 ± 32.44

128.10 ± 24.97

0.687

Operation time

146.35 ± 32.19

159.50 ± 27.43

0.291

Dissected lymph nodes number

14.82 ± 3.47

13.70 ± 3.09

0.406

Dissected lymph nodes

0.639

 ≥12

13

6

 <12

4

4

Lymph node metastasis

1.000

 Yes

8

4

 No

9

6

Postoperative complications

 Bleeding

1

0

 Infection

0

0

 Anastomotic leakage

0

1

 Intestinal obstruction

1

0

 Urinary complication

0

0

 Intractable fecal incontinence

0

0