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Table 2 Descriptive data of the MRI sample by diagnostic outcome group

From: Early white matter development is abnormal in tuberous sclerosis complex patients who develop autism spectrum disorder

 TSC-ASDTSC+ASD
Scans (subjects) with ADOS163 (66)125 (49)
 Excluded: 36-month scans (n)4432
 Excluded: Post-surgical scans (n)513
 Excluded: DWI artifact scans (n)42
Total scans (subjects) in sample109 (62)78 (46)
Sedated scans (n, %)109, 100%77, 99%
Baseline MRI (n, %)16, 15%15, 19%
12 months MRI (n, %)47, 43%31, 40%
24 months MRI (n, %)46, 42%32, 41%
Age at baseline MRI (\( \overline{x} \) ± σ)0.4 ± 0.20.6 ± 0.2
Age at 12 months MRI (\( \overline{x} \) ± σ)1.1 ± 0.11.1 ± 0.2
Age at 24 months MRI (\( \overline{x} \) ± σ)2.0 ± 0.22.0 ± 0.2
Subjects with 1 scan (n, %)25, 40%20, 44%
Subjects with 2 scans (n, %)26, 42%20, 43%
Subjects with 3 scans (n, %)11, 18%6, 13%