Table 1.

Distribution of urinary analytes for each diet type

Urinary analyteVegetarian n = 8 (all from study II)60 g/d red meat n = 17 (9 from study I and 8 from study II)120 g/d red meat n = 9 (all from study I)420 g/d red meat n = 8 (all from study II)Ptrenda
Creatinine (mmol/d)
 Mean (SD)14.5 (1.6)14.2 (2.2)15.9 (1.0)21.0 (3.8)<0.0001
 Median (IQR)14.4 (13.2–16.0)14.5 (13.0–16.1)16.0 (15.3–16.5)19.8 (18.7–21.6)
Taurine (μmol/d)
 Mean (SD)543.1 (235.6)544.8 (339.0)671.9 (383.2)1,675.5 (621.4)<0.0001
 Median (IQR)517.3 (389.0–740.8)482.9 (346.0–719.0)603.8 (469.9–729.3)1,695.1 (1,187.6–1,887.8)
1-Methylhistidine (μmol/d)
 Mean (SD)37.8 (11.5)91.3 (13.3)166.1 (15.0)457.2 (56.2)<0.0001
 Median (IQR)34.0 (31.2–40.5)95.1 (82.6–98.5)166.7 (155.0–172.7)449.2 (425.6–473.7)
3-Methylhistidine (μmol/d)
 Mean (SD)184.1 (21.8)238.0 (40.0)306.4 (21.3)552.8 (86.9)<0.0001
 Median (IQR)184.7 (166.6–199.2)248.8 (217.2–262.6)305.4 (295.5–320.8)529.2 (497.8–576.4)

aPtrend test.