Table 2

Mean data and reported versus computed significance levels from Report C [7]


Illness Episodes
Antibiotic Days
Infection Days (mNDI)

Placebo Group (n = 18)
6.5 ± 1.0
58 ± 5
29 ± 4
Supplement Group (n = 18)
4.0 ± 0.7
27 ± 4
14 ± 2

Reported p values
> 0.05
< 0.02
< 0.03
Computed p values



— Assuming "SD" = SD
< 0.000000001
< 0.00000000000001
< 0.0000000000001
— Assuming "SD" = SE
< 0.025
< 0.00001
< 0.001

Data are shown as mean ± SD. P values are the reported significance levels for statistical tests of the differences between placebo and supplement groups.

Sternberg and Roberts Nutrition Journal 2006 5:30   doi:10.1186/1475-2891-5-30