Table 2.

Urinary excretion of PCS and IS

VegetarianUnrestrictedP Value (Vegetarian versus Unrestricted)
Period 1Period 2Period 1Period 2Period 1Period 2
PCS (mg/d per 1.73 m2)30 (11–74)23 (17–47)100 (47–124)95 (20–124)0.030.03
IS (mg/d per 1.73 m2)24 (12–42)19 ( 17–26)47 (40–59)52 (39–58)0.001<0.001
  • Values are median (interquartile range). PCS, p-cresol sulfate; IS, indoxyl sulfate.