Table 3.

Regression and Severity of Autistic Symptoms

ADI-R Mean ScoresWithout Regression*
(n = 75)
(Embedded Image [SD])
With Regression
(n = 14)
(Embedded Image [SD])
PValue
Social interactions15.8 (6.0)17.4 (7.5)NS
Communication
Nonverbal 7.9 (3.7) 9.1 (3.8)NS
Verbal12.6 (4.6)14.1 (4.2)NS
Repetitive/restricted behaviors 5.5 (2.3) 5.1 (2.4)NS
Total ADI-R33.5 (9.1)35.9 (9.4)NS
  • NS indicates not significant.

  • *  One case with incomplete scores was excluded.