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. 2025 Aug 21;16:41. doi: 10.1186/s13229-025-00678-w

Table 1.

Sample description

Autistic individuals Non-autistic individuals Group diff. (p)
n 140 98
Gender (M/F) 105/35 61/37 0.049
Timepoints (1/2/1 + 2) 41/48/51 27/36/35 0.92
Age (in years) 16.15/5.51 [6.24–29.23] 17.43/5.96 [6.24–30.98] 0.093
IQ 98.32/21.18 [46–148] 104.51/21.12 [50–142] 0.028
Perceptual IQ 99.58/21.05 [46–138] 104.19/20.96 [49–147] 0.097
Verbal IQ 96.58/20.7 [45–160] 103.3/20.92 [51–160] 0.016
Missing data per trial (%) 15.89/17.17 [0.77–99.98] 13.19/14.02 [0.41–73.94] 0.184
Sampling rate (300 Hz / 120 Hz) 127/72 89/44 0.644
Gaze center deviation (%) 18.33/2.43 [13.39–26.9] 17.89/2.3 [13.42–25.79] 0.157
Mean pupil size (mm) 3.52/0.51 [2.32–4.82] 3.36/0.55 [2.28–5.9] 0.023
Medication (yes/no) 65/75 20/78  < 0.001
SRS (total) 100.47/29.75 [20–168] 30.58/30.67 [1–113]  < 0.001
RBS (total) 20.67/16.08 [0–90] 2.93/5.97 [0–34]  < 0.001
SDQ (total) 17.69/6.4 [334] 9.3/8.24 [0–30]  < 0.001
ADHD inattention 5.18/3.25 [0–9] 1.78/2.72 [0–9]  < 0.001
ADHD hyperactivity 3.24/3.02 [0–9] 1/2.03 [0–9]  < 0.001
BAI (anxiety) 15.26/11.36 [0–63] 9.58/8.27 [0–38]  < 0.001
BDI (depression) 13.64/11.44 [0–61] 9.05/9.31 [0–39]  < 0.001

Total numbers are provided for individuals (n), gender, medication, and timepoints. Other variables are described by the statistics: mean / standard deviation [min – max]. Supplementary Note 1 provides further information on the type of medication. perceptual IQ = a non-verbal IQ estimate based on the block design and matrix reasoning subtests of the age-appropriate Wechsler Intelligence Scale (WAIS-IV, WISC-IV); verbal IQ = a verbal IQ estimate based on the similarities and vocabulary subtests of the age-appropriate Wechsler Intelligence Scale (WAIS-IV, WISC-IV); SRS = Social Responsiveness Scale; RBS = Repetitive Behavior Scale; SDQ = Strengths and Difficulties Questionnaire; ADHD = ADHD rating scale DSM-5; BAI = Beck’s Anxiety Inventory; BDI = Beck’s Depression Inventory. Further information on all measures is provided in the clinical characterization of the EU-AIMS LEAP data set [38].