From: The EU-AIMS Longitudinal European Autism Project (LEAP): clinical characterisation
Ranges across sites | Variance | ||||||||
---|---|---|---|---|---|---|---|---|---|
Minimum | Maximum | Mean | SD | Overall mean (SD) | Within sites | Between sites | ICCa | x 2 sig. value | |
Chronological age [years:months] | 6:07–19:8 | 24:5–30:6 | 14:8–25:0 | 3:2–6:3 | 16:7 (5:8) | 29.87 | 9.91 | .249 | p < .0001 |
Sex, % of male participants | 66.1–80.6 | 72.3 (4.48) | 0.46 | <.01 | <.001b | n.s.c | |||
Verbal IQ | 45d–70 | 130–160 | 93–110 | 14–21 | 97 (19) | 382.18 | 12.61 | .031 | p < .0001 |
Nonverbal IQ | 45d–68 | 134–150 | 93–107 | 16–23 | 98 (21) | 430.82 | 24.39 | .054 | p = .0001 |
Full-scale IQ | 40d–73 | 128–148 | 96–105 | 12–22 | 98 (20) | 373.45 | 16.35 | .042 | p = .001 |
ADI-R | |||||||||
Social interaction | 0–4 | 24–29 | 12–19 | 6–7 | 17 (7) | 42.26 | 4.33 | .093 | p < .0001 |
Communication | 0–3 | 17–26 | 9–16 | 5–5 | 13 (6) | 28.10 | 4.97 | .150 | p < .0001 |
RRB | 0–1 | 8–12 | 3–5 | 2–4 | 4 (3) | 6.06 | .85 | .122 | p < .0001 |
ADOS—CSS | |||||||||
Total | 1 | 10c | 5–9 | 2–3 | 5 (3) | 2.77 | .35 | <.001b | n.s. |
SA | 1 | 10c | 6–7 | 2–3 | 6 (3) | 6.88 | .11 | .016 | n.s. |
RRB | 1 | 9–10 | 4–8 | 2–3 | 5 (3) | 7.29 | .60 | .076 | p < .0001 |
Sample sizee | 22 | 159 | 72 | 54 |