Efficacy of modified pancreatic duct stent drainage during endoscopic retrograde cholangiopancreatography for common bile duct stones

Table 1 The general clinical data of the three groups of patients were compared

	Modified pancreatic duct stent drainage group (n = 59)	Nasobiliary drainage group (n = 58)	Standard biliary drainage group (n = 58)	χ2/F value	P value
Gender (male/female)	35 (59.32)/24 (40.68)	33 (56.90)/25 (43.10)	32 (55.17)/26 (44.83)	0.208	0.901
ASA classification (I/II/III)	22 (37.29)/28 (47.46)/9 (15.25)	11 (18.97)/36 (62.07)/11 (18.97)	16 (27.59)/32 (54.24)/10 (17.24)	4.887	0.299
The number of gallstones in the bile duct (1/2/3/≥ 4)	29 (49.15)/7 (11.86)/5 (8.47)/18 (30.51)	28 (48.28)/5 (8.62)/5 (8.62)/20 (34.48)	23 (39.66)/6 (10.34)/5 (8.62)/24 (41.38)	2	0.92
Age (year)	51.42 ± 15.14	52.00 ± 16.08	51.84 ± 15.84	0.021	0.979
BMI (kg/m2)	23.34 ± 3.82	23.29 ± 3.67	23.16 ± 3.54	0.037	0.964
History of drinking (yes/no)	26 (44.07)/33 (55.93)	24 (41.38)/34 (58.62)	23 (39.66)/35 (60.34)	0.238	0.888
Time of onset before surgery (hours)	35.51 ± 3.25	35.94 ± 3.58	36.10 ± 4.33	0.389	0.678
Total hospital stay duration (days)	9.12 ± 4.34	10.62 ± 5.06	11.04 ± 5.13	2.536	0.082
Disease duration (month)	21.14 ± 4.28	22.04 ± 4.05	21.67 ± 3.94	0.715	0.491
Surgical duration (minutes)	61.04 ± 8.91	60.55 ± 6.42	60.07 ± 7.49	0.233	0.792
Diameter of the bile duct (cm)	1.34 ± 0.43	1.31 ± 0.48	1.38 ± 0.51	0.318	0.728
Stone diameter (cm)	0.86 ± 0.35	0.88 ± 0.36	0.91 ± 0.43	0.254	0.776

Results expressed as mean ± SD, or the number of patients and percentage (%). ASA: American Society of Anesthesiologists; BMI: Body mass index.