Application of indocyanine green-enhanced near-infrared fluorescence-guided imaging in laparoscopic lateral pelvic lymph node dissection for middle-low rectal cancer

Table 2 Compared analysis of clinical and pathological outcomes in different groups, n (%)

Outcome	ICG group(n = 12)	Non-ICG group (n = 30)	P-value
LPND			0.953
Unilateral dissection	10 (83.3)	23 (76.7)
Bilateral dissection	2 (16.7)	7 (23.3)
LPNM			0.443
Yes	3 (25)	3 (10)
No	9 (75)	27 (90)
Operative time (min, mean ± SD)	255.7 ± 65.2	273.1 ± 73.3	0.108
Blood loss (mL, mean ± SD)	55.8 ± 37.5	108.0 ± 52.7	0.003
Conversion to laparotomy (case)	0 (0)	2 (6.67)	1.000
Number of LPLNs harvested	11.5 ± 5.9	7.1 ± 4.8	0.017
pT stage			0.694
I	3 (25)	3 (10)
II	2 (16.7)	6 (20)
III	6 (50)	18 (60)
IV	1 (8.3)	3 (10)
pN stage			0.516
0	6 (50.0)	13 (43.3)
1	2 (16.7)	10 (33.3)
2	4 (33.3)	7 (23.4)
pTNM stage			0.805
I	4 (33.3)	7 (23.3)
II	2 (16.7)	6 (20)
III	6 (50)	17 (56.7)
Postoperative complication (case)	1 (8.33)	4 (23.33)	1.000
Hospital stay (d, mean ± SD)	9.2 ± 1.6	9.7 ± 2.0	0.393

ICG: Indochinese green; LPND: Lateral pelvic node dissection; LPNM: Lateral pelvic node metastasis; LPLN: Lateral pelvic lymph node; SD: Standard deviation; pTNM: Pathological tumor-node-metastasis.