Table 1.
Sample Description
| Module 1, No Words | Module 1, Some Words | Module 2, Younger than 5 | Module 2, 5 or Older | Module 3 | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DX | N | Mean | SD | Range | N | Mean | SD | Range | N | Mean | SD | Range | N | Mean | SD | Range | N | Mean | SD | Range | |
| Autism | age | 475 | 52.59 | 27.49 | 24–174 | 281 | 56.63 | 24.99 | 25–162 | 89 | 48.55 | 7.34 | 27–59 | 164 | 98.46 | 32.03 | 60–196 | 178 | 103.23 | 29.35 | 48–185 |
| viq | 448 | 25.38 | 14.03 | 2–92 | 254 | 46.66 | 19.69 | 10–137 | 81 | 77 | 20.73 | 28–132 | 155 | 52.64 | 19.33 | 20–107 | 156 | 87.56 | 23.22 | 31–155 | |
| nviq | 442 | 52.34 | 21.20 | 2–144 | 253 | 65.82 | 20.54 | 14–122 | 77 | 90.44 | 22.87 | 52–170 | 155 | 77.25 | 23.98 | 24–131 | 158 | 92.98 | 23.57 | 34–155 | |
| vma | 453 | 11.39 | 19.05 | 1–291 | 251 | 25.29 | 30.59 | 0–353 | 82 | 42.94 | 50.09 | 21–357 | 157 | 54.91 | 53.34 | 13–354 | 151 | 87.50 | 44.66 | 3–369 | |
| nvma | 443 | 24.33 | 10.31 | 5–96 | 254 | 35.10 | 15.04 | 13–110 | 78 | 46.94 | 18.45 | 17–152 | 146 | 71.84 | 29.42 | 28–194 | 149 | 93.70 | 31.55 | 25–167 | |
| ADI social | 419 | 21.28 | 530 | 2–30 | 212 | 19.21 | 6.43 | 0–30 | 68 | 16.12 | 4.83 | 3–27 | 107 | 22.32 | 5.90 | 0–30 | 116 | 19.55 | 5.21 | 6–30 | |
| ADI comm-V | 5 | 17.40 | 4.09 | 12–22 | 74 | 15.05 | 4.50 | 0–24 | 64 | 15.41 | 3.99 | 3–22 | 101 | 18.18 | 4.11 | 0–26 | 116 | 16.99 | 4.30 | 7–25 | |
| ADI comm-NV | 419 | 11.74 | 2.34 | 0–14 | 212 | 9.89 | 3.35 | 0–14 | 68 | 8.57 | 2.93 | 0–14 | 107 | 10.36 | 3.25 | 0–14 | 116 | 9.27 | 3.27 | 2–14 | |
| ADI-RR | 419 | 4.79 | 1.72 | 0–10 | 212 | 5.41 | 2.20 | 0–10 | 68 | 6.34 | 2.59 | 1–12 | 107 | 7.04 | 2.67 | 0–12 | 116 | 7.50 | 2.72 | 2–12 | |
| ADOS SA | 475 | 17.29 | 2.34 | 5–20 | 281 | 14.87 | 3.38 | 1–20 | 89 | 12.93 | 3.45 | 2–20 | 164 | 14.47 | 3.39 | 6–20 | 178 | 11.39 | 3.87 | 0–20 | |
| ADOS RR | 475 | 4.92 | 2.02 | 0–8 | 281 | 4.43 | 2.00 | 0–8 | 89 | 4.51 | 1.98 | 0–8 | 164 | 5.12 | 1.95 | 0–8 | 178 | 3.44 | 1.94 | 0–8 | |
| PDD-NOS | age | 76 | 38.03 | 13.48 | 24–107 | 114 | 43.84 | 17.78 | 24–175 | 108 | 42.77 | 9.98 | 24–59 | 51 | 78.96 | 18.33 | 60–129 | 250 | 101.98 | 31.26 | 42–195 |
| viq | 74 | 35.68 | 15.67 | 7–75 | 107 | 66.78 | 20.02 | 11–129 | 83 | 84.50 | 20.57 | 2–149 | 44 | 63.93 | 17.56 | 28–102 | 230 | 100.93 | 21.19 | 49–164 | |
| nviq | 73 | 58.09 | 22.04 | 15–99 | 105 | 79.19 | 21.49 | 24–133 | 84 | 94.44 | 22.72 | 2–159 | 46 | 74.39 | 21.55 | 31–118 | 225 | 98.48 | 21.16 | 14–153 | |
| vma | 75 | 12.96 | 6.69 | 2–47 | 104 | 33.80 | 46.33 | 11–357 | 81 | 64.04 | 88.86 | 18–354 | 45 | 57.93 | 61.65 | 26–371 | 226 | 110.88 | 73.26 | 39–498 | |
| nvma | 73 | 20.34 | 6.72 | 7–34 | 105 | 40.10 | 47.87 | 16–507 | 80 | 41.66 | 13.3 | 23–91 | 44 | 59.07 | 13.05 | 34–90 | 208 | 102.30 | 36.22 | 37–190 | |
| ADI social | 72 | 15.15 | 5.67 | 3–25 | 94 | 11.57 | 6.49 | 1–28 | 65 | 10.72 | 5.11 | 2–25 | 33 | 14.82 | 7.23 | 4–29 | 174 | 14.93 | 7.43 | 0–29 | |
| ADI comm-V | 0 | … | … | … | 58 | 10.41 | 4.97 | 2–25 | 53 | 11.19 | 4.64 | 0–21 | 32 | 12.44 | 4.04 | 3–19 | 174 | 12.75 | 5.4 | 0–24 | |
| ADI comm-NV | 72 | 9.94 | 2.95 | 2–14 | 94 | 6.26 | 3.97 | 0–14 | 64 | 5.88 | 3.58 | 0–14 | 33 | 6.03 | 3.44 | 0–12 | 174 | 6.59 | 3.80 | 0–14 | |
| ADI-RR | 72 | 3.56 | 2.23 | 0–9 | 94 | 3.94 | 2.38 | 0–10 | 65 | 4.45 | 2.62 | 0–10 | 33 | 4.73 | 3.01 | 1–12 | 174 | 5.39 | 3.06 | 0–12 | |
| ADOS SA | 76 | 13.69 | 4.24 | 1–20 | 114 | 9.17 | 4.11 | 0–19 | 108 | 8.37 | 3.81 | 0–18 | 51 | 9.11 | 4.36 | 0–19 | 250 | 7.73 | 4.06 | 0–19 | |
| ADOS RR | 76 | 3.10 | 1.94 | 0–8 | 114 | 3.17 | 1.96 | 0–8 | 108 | 3.39 | 2.07 | 0–8 | 51 | 3.27 | 1.9 | 0–8 | 250 | 2.19 | 1.62 | 0–7 | |
| Non- spectrum |
age | 60 | 39.55 | 19.33 | 24–129 | 107 | 42.10 | 19.23 | 24–129 | 57 | 43.98 | 7.38 | 27–59 | 44 | 95.95 | 30.64 | 61–184 | 141 | 107.35 | 29.59 | 50–192 |
| viq | 57 | 40.96 | 18.72 | 14–83 | 90 | 68.07 | 23.74 | 11–117 | 51 | 85.33 | 21.83 | 2–140 | 44 | 58.09 | 19.06 | 17–103 | 135 | 91.69 | 22.28 | 26–163 | |
| nviq | 55 | 58.80 | 28.72 | 13–132 | 89 | 70.52 | 23.74 | 15–116 | 49 | 92.04 | 20.46 | 2–133 | 44 | 61.93 | 24.13 | 24–118 | 136 | 89.85 | 22.23 | 35–151 | |
| vma | 57 | 13.77 | 5.63 | 1–26 | 87 | 27.62 | 8.34 | 13–52 | 50 | 56.62 | 75.44 | 17–356 | 43 | 50.14 | 13.94 | 20–77 | 134 | 103.18 | 61.51 | 32–492 | |
| nvma | 55 | 20.62 | 8.67 | 4–47 | 86 | 29.29 | 8.55 | 15–52 | 46 | 41.67 | 9.90 | 19–73 | 44 | 56.59 | 16.65 | 26–93 | 132 | 95.02 | 32.57 | 34–189 | |
| ADI social | 51 | 11.33 | 7.09 | 0–26 | 78 | 7.63 | 5.60 | 0–24 | 45 | 9.67 | 5.12 | 1–21 | 36 | 13.19 | 6.58 | 4–28 | 130 | 9.24 | 6.81 | 0–24 | |
| ADI comm-V | 0 | … | … | … | 38 | 5.53 | 3.32 | 0–13 | 43 | 9.70 | 5.04 | 1–21 | 34 | 11.00 | 5.09 | 2–23 | 130 | 8.27 | 5.46 | 0–24 | |
| ADI comm-NV | 51 | 7.73 | 4.22 | 0–14 | 78 | 4.29 | 3.26 | 0–12 | 45 | 5.22 | 3.68 | 0–14 | 36 | 6.17 | 4.08 | 0–14 | 130 | 4.32 | 3.72 | 0–14 | |
| ADI-RR | 51 | 2.59 | 1.94 | 0–8 | 78 | 2.32 | 1.73 | 0–8 | 45 | 4.04 | 3.31 | 0–11 | 36 | 4.25 | 2.54 | 0–10 | 130 | 3.65 | 2.69 | 0–11 | |
| ADOS SA | 60 | 8.36 | 5.82 | 0–20 | 107 | 4.71 | 3.91 | 0–17 | 57 | 3.56 | 2.77 | 0–15 | 44 | 4.16 | 3.14 | 0–10 | 141 | 3.90 | 2.94 | 0–14 | |
| ADOS RR | 60 | 1.88 | 1.87 | 0–7 | 107 | 1.40 | 1.49 | 0–7 | 57 | 1.49 | 1.42 | 0–5 | 44 | 1.63 | 1.64 | 0–5 | 141 | 0.98 | 1.15 | 0–5 | |
Note. All ages in months. viq=Verbal IQ; nviq=Nonverbal IQ; vma=Verbal Mental Age; nvma=Nonverbal Mental Age; ADI social=ADI-R Social Total; ADI-R comm-V=ADI-R Communication Total for Verbal Subjects; ADI-R comm-NV=ADI-R Communication Total for Nonverbal Subjects; ADI-RR=ADI-R Restricted, Repetitive Behaviors Total; ADOS SA=revised algorithm Social Affect domain, ADOS RR=revised algorithm Restricted, Repetitive Behavior domain