Table 2.
Descriptive data of the MRI sample by diagnostic outcome group
| TSC-ASD | TSC+ASD | |
|---|---|---|
| Scans (subjects) with ADOS | 163 (66) | 125 (49) |
| Excluded: 36-month scans (n) | 44 | 32 |
| Excluded: Post-surgical scans (n) | 5 | 13 |
| Excluded: DWI artifact scans (n) | 4 | 2 |
| Total scans (subjects) in sample | 109 (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 ( ± σ) | 0.4 ± 0.2 | 0.6 ± 0.2 |
| Age at 12 months MRI ( ± σ) | 1.1 ± 0.1 | 1.1 ± 0.2 |
| Age at 24 months MRI ( ± σ) | 2.0 ± 0.2 | 2.0 ± 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% |