Table 2

Change in 10 year-old Mongolian children's hormone and growth factor concentrations before and after one month of drinking 710 ml of American UHT whole milk daily.

Mongolia

Mean
50th percentile
75th percentile

Growth Hormone (ng/ml)
Pre
2.38 ± 3.27
1.23
2.60

Post
3.42 ± 4.07
2.14
5.28

p-value
NA*
0.23
0.005

IGF-I (ng/ml)
Pre
290.93 ± 93.98
270.70
346.95

Post
358.34 ± 125.62
333.56
449.29

p-value
<0.0001
0.04
0.03

IGF-I/IGFBP-3
Pre
0.064 ± 0.016
0.062
0.068

Post
0.073 ± 0.019
0.072
0.082

p-value
<0.0001
0.009
0.007

For means, p-values are from paired t-tests. For 50th and 75th percentiles, p-values are from unpaired quantile regression.

* T-test comparing mean GH not appropriate, due to non-Normal GH distribution.

Rich-Edwards et al. Nutrition Journal 2007 6:28   doi:10.1186/1475-2891-6-28