Table 2.

Mole percent of serum bile acids in the two groups (%,^-x ± s_x)

Bile acids	Group with calculi (n = 151)	Control group (n = 256)	P
DCA	28.12 ± 1667	23.03 ± 1.04	0.007
CDCA	45.11 ± 2.01	52.40 ± 1.32	0.001
CA	27.51 ± 1.93	24.77 ± 1.09	> 0.05
DCA/CDCA	1.76 ± 0.30	0.92 ± 0.14	0.004