The Effect of Preoperative Biliary Drainage with or without Pancreatic Stenting on Complications after Pancreatoduodenectomy: A Retrospective Cohort Study

Table 2

Demographic and clinical characteristics of patients NPS group and PS group.

	[ALL]	NPS	PS	value
	Sex (female)	42 (50.6%)	24 (44.4%)	18 (62.1%)	0.193
Age	58.0 [51.5; 63.0]	57.0 [51.0; 62.8]	59.0 [53.0; 63.0]	0.436
^#BMI				0.684
Fat	35 (42.2%)	24 (44.4%)	11 (37.9%)
Low	4 (4.82%)	2 (3.70%)	2 (6.90%)
Normal	44 (53.0%)	28 (51.9%)	16 (55.2%)
Biliary drainage				1.000
ENBD	66 (79.5%)	43 (79.6%)	23 (79.3%)
Metal biliary stent	1 (1.20%)	1 (1.85%)	0 (0.00%)
Plastic bile duct stent	16 (19.3%)	10 (18.5%)	6 (20.7%)
Tumor location				0.024
Ampulla	31 (37.3%)	26 (48.1%)	5 (17.2%)
Bile duct	22 (26.5%)	12 (22.2%)	10 (34.5%)
Duodenum	14 (16.9%)	9 (16.7%)	5 (17.2%)
Pancreas	16 (19.3%)	7 (13.0%)	9 (31.0%)
Stay time	18.0 [14.0; 22.5]	20.0 [14.0; 23.0]	17.0 [15.0; 22.0]	0.681
Blood transfusion	300 [0.00; 750]	0.00 [0.00; 675]	500 [0.00; 800]	0.070
Operation duration	366 [306; 454]	359 [314; 466]	369 [300; 432]	0.909