Table 1. Participants demographics and pretreatment characteristics.
| Variable | Mean (s.d.) |
|---|---|
| Pretreatment age (years) | 5.90 (1.07) |
| Gender, male (0=f, 1=m) | 0.65 (0.49) |
| General conceptual ability (IQ) | 103.45 (17.03) |
| Handedness, right (1=right, 0=ambi., −1=left) | 0.70 (0.66) |
| Pretreatment ADOS calibrated severity score | 7.65 (2.11) |
| Pretreatment SRS-parent total raw score | 80.65 (22.53) |
| Pretreatment CELF core standard score | 90.40 (23.88) |
| Pretreatment Vineland-II communication | |
| Receptive | 39.60 (19.09) |
| Expressive | 47.45 (13.01) |
| Written | 75.45 (13.35) |
| Pretreatment Vineland-II daily living skills | |
| Personal | 49.50 (13.13) |
| Domestic | 54.05 (22.92) |
| Community | 61.80 (18.26) |
| Pretreatment Vineland-II socialization | |
| Interpersonal relationships | 40.35 (11.99) |
| Play and leisure time | 46.25 (16.93) |
| Coping skills | 41.30 (17.87) |
| Pretreatment scan, head motion (mean absolute, mm) | 1.32 (1.34) |
| Pretreatment scan, head motion (mean relative, mm) | 0.44 (0.44) |
Abbreviations: ADOS, Autism Diagnostic Observation Schedule; ambi., ambidextrous; CELF, Clinical Evaluation of Language Fundamentals; f, female; IQ, intelligence quotient; m, male; SRS, Social Responsiveness Scale; Vineland-II, Vineland Adaptive Behavior Scales-Second Edition.
Vineland-II scores were age equivalents in months. Treatment outcome was the change score of SRS-parent total row score, that is, post minus pre. Number of participants: gender=7 f/13 m; handedness=16 right/2 ambi./2 left.