Table 1.

Demographics and baseline characteristics.

Variables	Normal Weight (n = 48 Patients)	Overweight (n = 33 Patients)	Obese (n = 14 Patients)	p-Value
Patients	48 (50.5%)	33 (34.7%)	14 (14.7%)	-
Height (cm)	171 ± 8	168 ± 8	168 ± 10	0.097
Weight (kg)	66 ± 8	76 ± 8	99 ± 12	<0.01
Gender				0.89
Male	26 (54.2%)	19 (57.6%)	7 (50%)
Female	22 (45.8%)	14 (42.4%)	7 (50%)
Age (years)	62.1 ± 1.7	64.9 ± 1.5	61.3 ± 2.5	0.39
ASA, score (%)				<0.01
1–2	39 (82%)	23 (70%)	5 (36%)
3–4	9 (18%)	10 (30%)	9 (64%)
Diabetes mellitus				0.21
Yes	13 (27.1%)	8 (24.2%)	6 (42.9%)
No	34 (70.8)	22 (66.7%)	6 (42.9%)
Missing	1 (2.1%)	3 (9.1%)	2 (14.2%)
Cirrhosis/Fibrosis				0.91
Yes	5 (10.4%)	4 (12.1%)	2 (14.3%)
No	43 (89.6%)	29 (87.9%)	12 (85.7%)
Clinical Jaundice				0.79
Yes	38 (79.1%)	27 (81.8%)	10 (71.4%)
No	10 (20.9%)	6 (18.2%)	4 (28.6%)
CA 19-9, (U/L)	292.7 ± 101.6	340.2 ± 582.5	338.6 ± 669	0.89
CEA, (ng/mL)	6.2 ± 2.3	2.8 ± 0.8	2.1 ± 0.6	0.31
Peak Bilirubin preoperative (ummol/L)	44.1 ± 6.8	70.8 ± 15.4	33.9 ± 13.1	0.11
Preoperative drainage				0.29
No	7 (14.6%)	6 (18.2%)	4 (28.6%)
PTCD	7 (14.6%)	2 (6.1%)	0 (0%)
ERCP	33 (68.8%)	20 (60.6%)	8 (57.1%)
Both	0 (0%)	2 (6.1%)	1 (7.1%)
Missing	1 (2.1%)	3 (9.1%)	1 (7.1%)
Portal vein involvement on imaging				0.693
Yes	12 (25%)	8 (24.2)	2 (14.3)
No	36 (75%)	25 (75.8)	12 (85.7)
Bismuth-Corlette classification				0.64
I	2 (4.2%)	2 (6.1%)	2 (14.3%)
II	4 (8.3%)	2 (6.1%)	2 (14.3%)
IIIa	6 (12.5%)	4 (12.1%)	1 (7.1%)
IIIb	7 (14.6%)	3 (9.1%)	2 (14.3%)
IV	25 (52.1%)	20 (60.6%)	4 (28.6%)
Missing	4 (8.3%)	2 (6.1%)	3 (21.4)