Table 2

Mean and median pH, fecal bile acid concentrations, and total bile acid concentration in aqueous and solid phases

Bile AcidPhase
Aqueous (μg/ml)Solid (μg/mg)
Treatment groupTreatment group
Low fiberHigh fiberPLow fiberHigh fiberP
pH
 Mean7.036.987.026.99
 Median7.006.900.5757.006.900.753
 SD0.240.400.240.40
DCA
 Mean41.059.77.074.68
 Median40.041.30.3835.173.810.049
 SD20.054.75.853.78
Lithocholic acid
 Mean8.714.16.854.30
 Median9.210.70.0864.713.140.058
 SD6.211.07.423.44
CDCA
 Mean0.53.50.220.30
 Median0.00.00.0840.140.150.665
 SD1.38.80.270.48
Cholic acid
 Mean3.117.50.420.28
 Median0.03.30.0660.160.070.180
 SD6.552.30.610.79
Ursodeoxycholic acid
 Mean0.13.70.230.31
 Median0.00.00.0340.000.000.686
 SD0.69.20.531.52
Other bile acidsa
 Mean16.931.73.431.63
 Median11.915.40.3672.371.130.020
 SD16.042.42.901.58
Total bile acid
 Mean70.4130.218.2111.50
Concentration
 Median64.183.90.15316.188.910.030
 SD36.7133.914.969.11
  • a Isodeoxycholic, isoursodeoxycholic, ursocholic, 7-ketolithocholic, and 12-ketolithocholic acids.