ASD | TD | Statistics: ASD vs. TD | |
---|---|---|---|
Total n | 205 | 189 | |
Demographics | |||
Sex (male/female) | 151/54 | 123/66 | χ2(1) = 3.42, p = .079 |
Age (years) | 17.9 ± 5.4 (7.1–30.6) | 18.0 ± 5.5 (7.6–31.0) | t(392) = .32, p = .749 |
IQ (full IQ) | 107.1 ± 14.2 (75.6–148.0) | 108.5 ± 12.1 (76.8–142.0) | t(390) = 1.05, p = .295 |
Handedness (right/left/ambidext/unknown) | 146/22/8/29 | 131/16/4/38 | χ2(3) = 3.66, p = .301 |
Medication use (% of subjects)1 | 40.5 | 5.8 | χ2(1) = 62.37, p < .001 |
In-scanner performance | |||
Mean framewise displacement (FD; in mm)2 | .14 ± .08 (.03–.47) | .12 ± .08 (.03–.42) | t(392) = 1.88, p = .061 |
Volumes with FD > 0.5 mm (%) | 3.55 ± 4.74 (0–19.40) | 3.17 ± 4.33 (0–19.73) | t(392) = .82, p = .412 |
Signal-to-noise ratio | 9.7 ± 1.3 (6.5–13.8) | 9.9 ± 1.4 (6.5–13.8) | t(392) = 1.42, p = .155 |
Task accuracy | .81 ±.13 (.33–1.0) | .83 ± .13 (0–1.0) | t(392) = 1.30, p = .194 |
Clinical characteristics | |||
ADI-R3 | |||
Social interaction | 15.5 ± 6.7 (0–29) | ||
Communication | 12.6 ± 5.6 (0–26) | ||
RRB | 4.5 ± 2.6 (0–12) | ||
ADOS-24 | |||
Social affect | 5.7 ± 2.5 (1–10) | ||
RRB | 4.7 ± 2.6 (1–10) | ||
Total | 5.0 ± 2.6 (1–10) | ||
SRS-2 (parent report)5 | |||
Raw score | 86.1 ± 30.6 (21–163) | 19.9 ± 14.4 (1–74) | t(245) = 19.07, p < .001 |
T score | 69.2 ± 12.1 (43–90) | 45.1 ± 5.8 (37–66) | t(245) = 17.54, p < .001 |
DAWBA comorbidities6 | |||
ADHD symptoms | 1.6 ± 1.6 (0–5) | .2 ± .7 (0–3) | t(211) = 7.25, p < .001 |
Depression symptoms | 1.1 ± 1.3 (0–5) | .4 ± .7 (0–4) | t(311) = 5.66, p < .001 |
Anxiety symptoms | 2.5 ± 1.3 (0–5) | 1.2 ± .9 (0–4) | t(348) = 11.06, p < .001 |