Table 5.

Relationship between tattooing with indocyanine green and perioperative parameters

	Univariate analysis		Multivariate analysis
	OR (95%CI)	P value	OR (95%CI)	P value
Operation time (min)	0.994 (0.990-0.998)	0.008	0.999 (0.993-1.006)	0.835
Δ Hb	0.149 (0.096-0.231)	< 0.001	0.207 (0.119-0.361)	< 0.01
Δ Alb	0.021 (0.009-0.049)	< 0.001	0.056 (0.021-0.145)	< 0.01
Hospital stay (d)	0.937 (0.886-0.991)	0.023	0.987 (0.909-1.071)	0.753
Oral intake (d)	0.259 (0.181-0.371)	< 0.001	0.417 (0.280-0.621)	< 0.01

Hb: Hemoglobin; Alb: Albumin; OR: Odd ratio; CI: Confidence interval.