Table 1

Mean number of days of infection (mNDI) and reported versus computed significance levels from Report B [6]

First 6 months

Second 6 months

All 12 months


Placebo Group (n = 19)

12.7 ± 1.6

11.0 ± 1.2

23.7 ± 2.3

Supplement Group (n = 22)

8.5 ± 0.7

2.6 ± 0.3

11.1 ± 0.8


Reported p values

< 0.05

< 0.004

< 0.02

Computed p values

— Assuming "SD" = SD

< 0.0000000001

< 0.00000000000001

< 0.00000000000001

— Assuming "SD" = SE

< 0.012

< 0.000001

< 0.0001


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

Open Data