Table 3.

Year open study of dietary intervention in 15 patients

Test	Initial score	1-year change	4-year gain	No	p-Value
C-Raven	6.8±2.8	+8.6±2.8	+8.6±3.2	12	0.005
ITPA	25.7±5.5	+2.7±2.5	+6.1±2.8	10	0.005
DIPAB test
Social isolation	8.5±3.3	−6.1±2.7		14	0.005
Bizarre traits	5.3±2.2	−5.3±1.22		14	0.005

DIPAB, Diagnosticering af psykotisk Adfærd hos barn (Diagnosis of Psychotic behaviour in children); ITPA, Illinois test of psycholinguistic ability.ITPA, Illinois test of psycholinguistic ability.

The scores are the mean±standard deviation. Mann–Whitney U-test, two-tailed used throughout.

Five children had to be dropped from the ITPA test since the test has age limitations, and they were too old after 4 years. One of the 15 only participated for 6 months when he was convinced to quit by his GP.