Effect of the extrahepatic bile duct anatomy on choledocholithiasis and its clinical significance

Table 1 Univariate analysis for general data

Variable	Without CBD stones (n = 124)	With CBD stones (n = 108)	P value
Age (yr)	50.88 ± 15.60	55.06 ± 18.00	0.060
Sex, n (%)			0.575
Female	70 (56.45)	57 (52.78)
Male	54 (43.55)	51 (47.22)
BMI (kg/m2)	23.79 ± 3.78	23.62 ± 3.71	0.732
Hypertension, n (%)	19 (15.32)	9 (8.33)	0.103
Diabetes, n (%)	12 (9.68)	5 (4.63)	0.141
Hyperlipidemia, n (%)	23 (18.55)	6 (5.56)	0.003
ALT (U/L)	24.50 (16.00, 45.25)	100.45 (32.00, 216.25)	< 0.001
AST (U/L)	24.00 (19.00, 39.25)	53.00 (26.00, 130.75)	< 0.001
ALP (U/L)	84.50 (70.00, 116.50)	160.80 (104.50, 275.25)	< 0.001
GGT (U/L)	43.00 (23.00, 118.25)	251.50 (121.50, 576.50)	< 0.001
DBil (µmol/L)	4.25 (2.98, 6.60)	10.00 (4.90, 29.48)	< 0.001
IBil (µmol/L)	9.35 (6.47, 13.38)	10.70 (7.50, 15.20)	0.167

BMI: Body mass index; ALT: Alanine transaminase; AST: Aspartate transaminase; ALP: Alkaline phosphatase; GGT: γ-glutamyl transferase; DBil: Direct bilirubin; IBil: Indirect bilirubin; CBD: Common bile duct.