Table 1.
Summary of Autism Diagnostic Observation Schedule, Autism Quotient, and Ritvo Autism Asperger's Diagnostic Scale-Revised Findings
| Study | Population characteristics | Sensitivity (%) | Specificity (%) |
|---|---|---|---|
| ADOS | |||
| Lord et al.15 | Majority with ASD; small non-ASD sample with ID and other psychiatric diagnoses | 90.0 | 93.0 |
| Bastiaansen et al.14 | No ID; range of psychiatric diagnoses | 61.0 | 82.0 |
| Hus and Lord18 | Majority with ASD; adolescents and adults with ID and other psychiatric diagnoses | 90.5 | 82.2 |
| Pugliese et al.11 | Adolescents and adults without ID | 81.0 | 77.9 |
| de Bildt et al.20 | Adult males with ASD, schizophrenia, psychopathy, and controls | 61.0 | 95.0 |
| Maddox et al.21 | Adults in CMHC | 100.0 | 74.0 |
| Fusar-Poli et al.19 | Adults referred to ASD clinic; no ID | 85.9 | 82.9 |
| AQ | |||
| Baron-Cohen et al.23 | ASD without ID; controls from an undergraduate college sample | 79.3 | 98.0 |
| Ketelaars et al.26 | Adult outpatients with and without ASD; without ID | Not reported | Not reported |
| Sizoo et al.12 | Adults with ASD and controls (AQ-28) | 57.0 | 70.0 |
| Ashwood et al.25 | Adults referred to an ASD clinic for diagnosis | 77.0 | 29.0 |
| RAADS-R | |||
| Ritvo et al.27 | Adults with ASD, other psychiatric diagnoses, or controls with no diagnosis | 97.0 | 100 |
| Andersen et al.28 | Adults with ASD and controls | 90.7 | 92.9 |
| Sizoo et al.12 | Adults with ASD and controls | 73.0 | 58.0 |
ADOS, Autism Diagnostic Observation Schedule; AQ, Autism Spectrum Quotient; ASD, autism spectrum disorder; CMHC, Community Mental Health Center; ID, intellectual disability; RAADS-R, Ritvo Autism Asperger's Diagnostic Scale-Revised.