Usefulness of colonic tattooing using indocyanine green in patients with colorectal tumors

Table 3 Perioperative results of tattooed and non-tattooed groups by staging

Staging		TG (n = 102)	NTG (n = 199)	P value
N0 group (Stage 0 + I +IIa + IIb +IIc)	Operation time (min)	172.70 ± 48.87	190.34 ± 60.18	< 0.01
	Δ Hb	0.86 ± 0.79	2.16 ± 1.16	< 0.01
(n = 239)	Δ Alb	0.40 ± 0.47	1.07 ± 0.39	< 0.01
	Hospital stay (d)	9.37 ± 2.91	11.53 ± 8.56	< 0.01
	Oral intake (d)	1.49 ± 0.87	2.68 ± 1.16	< 0.01
N1 or N2 group	Operation time (min)	177.91 ± 56.74	195.69 ± 64.59	0.278
(Stage IIIa +IIIb +IIIc)	Δ Hb	0.50 ± 0.71	2.05 ± 1.27	< 0.01
(n = 62)	Δ Alb	0.39 ± 0.41	1.06 ± 0.41	< 0.01
	Hospital stay (d)	10.74 ± 5.00	12.23 ± 8.53	0.449
	Oral intake (d)	1.83 ± 1.23	3.31 ± 3.62	0.064

TG: Tattooed group; NTG: Non-tattooed group; Hb: Hemoglobin; Alb: Albumin.