Table 1

Plasma PYY, body weight, and urinary isoflavone concentrations in postmenopausal women, at baseline (t0) and after 8 weeks (t8) of isoflavone or placebo consumption (n = 34)

Isoflavones

Placebo

P value¹

t0

t8

t0

t8

Total PYY (pmol/L)

51 ± 2

55 ± 2

52 ± 3

50 ± 2

0.010

BMI (kg/m²)

24.5 ± 2.7

24.6 ± 2.7

24.5 ± 2.8

24.7 ± 2.8

0.331

Glucose (mmol/L)

5.7 ± 0.1

5.6 ± 0.1

5.7 ± 0.1

5.6 ± 0.1

0.641

Insulin (pmol/L)

37 ± 3

39 ± 3

38 ± 3

34 ± 3

0.231

Total ghrelin (pmol/L)

129 ± 12

131 ± 12

133 ± 13

123 ± 11

0.297

Data are given as mean ± SEM except for BMI which is presented as mean ± SD. BMI = body mass index.

¹ P values are shown for the treatment effect within a linear mixed model. Differences from baseline were used as response variable after adjustment for changes in BMI.

Weickert et al. Journal of Negative Results in BioMedicine 2006 5:11   doi:10.1186/1477-5751-5-11