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Table 10 Summary results for the four autism assessment tools, for the Arizona and National groups combined.

From: Effect of a vitamin/mineral supplement on children and adults with autism

  Placebo-Pre Placebo-Post Difference Supplement-
Pre
Supplement
Post
Difference P-Value
PGI-R (Average Change)    +0.34
+/- 0.54
   +0.67
+/- 0.65
0.008
ATEC (Total) 59
+/- 28
50
+/- 27
-9.6 63
+/- 22
51
+/- 20
-11.9 n.s.
SAS 5.2
+/- 2.6
5.2
+/- 2.6
0.0 5.4
+/- 2.0
5.1
+/- 2.2
-0.3 n.s.
PDD-BI
(Autism Composite)
-66
+/- 64
-79
+/- 68
-13.4 -62
+/- 51
-78
+/- 52
-16.4 n.s.
  1. Note that the ATEC, SAS and PDD-BI are assessed at the beginning and end of the study, whereas the PGI-R is only assessed at the end, as it only evaluates the changes observed. Only the PGI-R found a significant difference between the supplement and placebo groups, so it is highlighted in a bolder font.