Table 1.
Sample description
| DX | Module 1, no words | Module 1, some words | Module 2, younger than 5 | Module 2, 5 and older | Module 3 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | Mean | SD | Range | N | Mean | SD | Range | N | Mean | SD | Range | N | Mean | SD | Range | N | Mean | SD | Range | |
| Autism | ||||||||||||||||||||
| Age | 112 | 54.04 | 32.0 | 24–178 | 209 | 54.82 | 28.73 | 24–177 | 54 | 51.73 | 6.15 | 39–60 | 68 | 95.22 | 35.83 | 61–189 | 99 | 121.14 | 31.14 | 73–190 |
| viq | 15 | 28.22 | 16.85 | 9–65 | 49 | 63.12 | 21.63 | 6–102 | 9 | 89.44 | 27.91 | 44–138 | 39 | 70.97 | 24.43 | 17–128 | 83 | 91.46 | 23.49 | 24–136 |
| nviq | 28 | 36.23 | 21.47 | 5–89 | 123 | 66.35 | 23.83 | 5–113 | 42 | 88.17 | 21.75 | 50–125 | 56 | 80.88 | 25.79 | 16–137 | 89 | 92.90 | 24.05 | 17–155 |
| PEP-R Ratio IQ | 61 | 39.56 | 13.05 | 11–71 | 48 | 52.44 | 13.10 | 28–84 | – | – | – | – | – | – | – | – | – | – | – | – |
| ADI social | 88 | 19.66 | 5.83 | 4–29 | 141 | 18.23 | 5.98 | 5–30 | 29 | 15.52 | 5.71 | 5–27 | 58 | 19.33 | 6.65 | 4–30 | 96 | 20.21 | 5.69 | 8–29 |
| ADI comm-V | 9 | 15.67 | 7.58 | 9–32 | 70 | 14.23 | 4.52 | 2–25 | 29 | 11.31 | 5.33 | 3–23 | 58 | 14.86 | 5.03 | 4–25 | 96 | 16.31 | 4.76 | 3–25 |
| ADI comm-NV | 88 | 11.36 | 2.78 | 3–14 | 139 | 9.80 | 3.17 | 0–14 | 28 | 6.46 | 3.94 | 0–14 | 57 | 9.14 | 3.66 | 0–14 | 95 | 10.13 | 3.33 | 2–14 |
| ADI-RR | 88 | 4.51 | 2.17 | 0–10 | 141 | 4.55 | 2.63 | 0–11 | 29 | 4.55 | 2.73 | 0–10 | 58 | 6.14 | 2.85 | 0–12 | 96 | 5.96 | 2.68 | 1–12 |
| ADOS SA | 112 | 16.16 | 2.37 | 4–18 | 209 | 14.01 | 4.72 | 0–20 | 54 | 10.61 | 4.22 | 2–18 | 68 | 10.59 | 4.87 | 0–19 | 99 | 10.99 | 4.51 | 0–19 |
| ADOS RR | 112 | 3.63 | 1.60 | 0–7 | 209 | 2.60 | 1.73 | 0–7 | 54 | 1.98 | 1.88 | 0–8 | 68 | 2.29 | 1.66 | 0–7 | 99 | 1.87 | 1.54 | 0–6 |
| Non-autism ASD | ||||||||||||||||||||
| Age | 13 | 80.10 | 50.98 | 13–24 | 82 | 47.71 | 30.18 | 26–179 | 66 | 51.75 | 5.66 | 37–60 | 89 | 84.41 | 28.78 | 61–201 | 236 | 122.58 | 28.79 | 73–202 |
| viq | 2 | 55.83 | 3.54 | 53–58 | 42 | 85.17 | 21.03 | 50–178 | 14 | 102.65 | 9.92 | 91–126 | 31 | 71.19 | 28.84 | 23–124 | 184 | 97.40 | 23.47 | 34–148 |
| nviq | 7 | 46.43 | 39.95 | 10–100 | 57 | 82.04 | 26.13 | 16–133 | 49 | 99.39 | 19.12 | 58–148 | 69 | 78.80 | 27.57 | 16–130 | 207 | 96.10 | 22.62 | 27–155 |
| PEP-R ratio IQ | 3 | 47.33 | 10.26 | 36–56 | 11 | 49.64 | 15.17 | 30–77 | – | – | – | – | – | – | – | – | – | – | – | – |
| ADI social | 9 | 17.22 | 7.29 | 4–26 | 64 | 11.47 | 6.33 | 0–26 | 27 | 13.74 | 7.77 | 2–29 | 59 | 14.37 | 6.35 | 1–27 | 196 | 16.42 | 6.49 | 0–29 |
| ADI comm-V | 0 | – | – | – | 44 | 10.52 | 5.08 | 0–19 | 27 | 9.89 | 5.84 | 0–20 | 58 | 10.50 | 4.88 | 2–21 | 196 | 12.91 | 5.14 | 0–26 |
| ADI comm-NV | 9 | 9.78 | 3.90 | 5–14 | 62 | 7.34 | 3.92 | 0–14 | 26 | 6.27 | 4.02 | 0–14 | 57 | 6.39 | 3.96 | 0–14 | 195 | 7.95 | 3.81 | 0–14 |
| ADI-RR | 9 | 3.11 | 2.37 | 0–7 | 64 | 3.45 | 2.34 | 0–9 | 27 | 4.33 | 3.11 | 0–11 | 59 | 3.78 | 3.00 | 0–12 | 196 | 4.24 | 2.57 | 0–12 |
| ADOS SA | 13 | 13.85 | 3.46 | 6–18 | 82 | 9.22 | 4.35 | 1–19 | 66 | 6.27 | 3.61 | 1–13 | 89 | 7.42 | 4.01 | 0–18 | 236 | 8.00 | 4.52 | 0–19 |
| ADOS RR | 13 | 2.69 | 1.89 | 0–6 | 82 | 1.50 | 1.50 | 0–6 | 66 | 1.24 | 1.39 | 0–5 | 89 | 1.38 | 1.52 | 0–6 | 236 | 1.14 | 1.35 | 0–8 |
| Nonspectrum | ||||||||||||||||||||
| Age | 10 | 73.99 | 49.05 | 28–142 | 119 | 51.92 | 34.37 | 25–165 | 74 | 49.26 | 7.16 | 28–60 | 114 | 96.19 | 38.21 | 61–201 | 110 | 126.44 | 28.06 | 67–200 |
| viq | 2 | 70.36 | 21.72 | 55–86 | 73 | 85.03 | 19.45 | 18–134 | 12 | 99.02 | 17.32 | 73–129 | 48 | 56.10 | 24.90 | 22–111 | 82 | 76.82 | 28.14 | 24–135 |
| nviq | 2 | 55.11 | 60.96 | 12–98 | 105 | 80.26 | 29.19 | 10–140 | 52 | 101.48 | 17.02 | 66–133 | 91 | 71.22 | 28.73 | 16–133 | 86 | 77.06 | 26.90 | 33–130 |
| PEP-R Ratio IQ | 3 | 68.33 | 8.08 | 61–77 | 2 | 56.50 | 9.19 | 50–63 | – | – | – | – | – | – | – | – | – | – | – | – |
| ADI social | 8 | 12.13 | 7.86 | 1–25 | 92 | 7.77 | 5.22 | 0–28 | 14 | 7.79 | 4.92 | 1–18 | 76 | 10.71 | 6.99 | 0–27 | 81 | 10.06 | 7.25 | 0–26 |
| ADI comm-V | 0 | – | – | – | 62 | 6.48 | 3.85 | 1–22 | 13 | 5.62 | 4.03 | 1–13 | 73 | 7.19 | 4.57 | 0–20 | 81 | 7.85 | 5.57 | 0–20 |
| ADI comm-NV | 8 | 7.75 | 4.50 | 3–14 | 92 | 4.97 | 3.35 | 0–14 | 13 | 3.46 | 2.26 | 1–9 | 76 | 4.66 | 3.58 | 0–14 | 80 | 5.34 | 4.28 | 0–14 |
| ADI-RR | 8 | 2.75 | 2.05 | 1–7 | 92 | 2.27 | 1.88 | 0–8 | 14 | 1.64 | 1.39 | 0–5 | 76 | 2.57 | 2.38 | 0–12 | 81 | 2.40 | 2.55 | 0–9 |
| ADOS SA | 10 | 7.30 | 5.08 | 2–16 | 119 | 4.52 | 3.81 | 0–19 | 74 | 3.05 | 2.76 | 0–12 | 114 | 4.73 | 3.60 | 0–16 | 110 | 4.56 | 4.09 | 0–17 |
| ADOS RR | 10 | 2.00 | 1.76 | 0–5 | 119 | .69 | 1.01 | 0–4 | 74 | .49 | .82 | 0–3 | 114 | .94 | 1.17 | 0–6 | 110 | .55 | .91 | 0–4 |
age age in months, viq verbal IQ, nviq non-verbal IQ, PEP-R Ratio IQ (PEP-R develomental age/chronological age) * 100, ADI social ADI-R reciprocal social interaction total, ADI comm-V ADI-R communication total for verbal children, ADI comm-NV ADI-R communication total for non-verbal children, ADI RR ADI-R restricted, repetitive behaviors total, ADOS SA ADOS social affect (revised algorithm), ADOS RR ADOS restricted, repetitive behaviors (revised algorithm)