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Table 2 Change in ASD severity after the two-years intervention

From: Two-year follow-up of 90 children with autism spectrum disorder receiving intensive developmental play therapy (3i method)

Tests

T0 Beginning 3i (mean ± SD)

T1 after 2 years (mean ± SD)

Evolution(Ratio T1/T0 in % ± SD)

Effect size (d)

p Value

CARS

40.3 ± 7.1

32.3 ± 7.2

−20.0 ± 14.9%

1.036

1.16E-18

ADI-R Reciprocal Social Interaction

18.3 ± 6.0

11.1 ± 5.7

−41.0 ± 25.2%

1.567

7.45E-26

ADI-R Language/Communication

11.6 ± 3.3

8.3 ± 3.8

−27.5 ± 32.9%

0.884

6.82E-13

ADI-R Repetitive Behaviors/Interests

5.7 ± 2.0

4.1 ± 1.8

−25.0 ± 31.6%

0.824

1.02E-11