Table 1. Patients’ clinical characteristics at the baseline.

Demographics	Group A (n=32)	Group B (n=27)	P value
Age (years) (mean ± SD)	51.16±12.52	47.04±9.93	0.17
Sex, n (%)			0.54
Male	18 (56.25)	13 (48.15)
Female	14 (43.75)	14 (51.85)
Preoperative diagnosis, n (%)			0.04
Gallbladder polyps	7 (21.88)	12 (44.44)
Single stone of the gallbladder	9 (28.12)	9 (33.33)
Multiple stones in the gallbladder	15 (46.88)	4 (14.82)
Gallbladder adenomyosis	1 (3.12)	2 (7.41)
Comorbidities, n (%)
Cirrhosis	4 (12.50)	5 (18.52)	0.72
Fatty liver	6 (18.75)	4 (14.82)	0.74
Biochemical indexes, median [range]
TBil (μmol/L)	10.95 [4, 47]	12.40 [5, 49]	0.07
DBil (μmol/L)	3.5 [2, 16]	4 [2, 27]	0.14
Gallbladder duct stone impaction, n (%)	2 (6.25)	3 (11.11)	0.65

Group A, the patients received ICG via intravenous injection; Group B, the patients received ICG via intragallbladder injection. SD, standard deviation; TBil, total bilirubin; DBil, direct bilirubin; ICG, indocyanine green.