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Number of successful scans per subject by diagnostic group and the average number and range of months between scans
| Numberof scans | Autisticdisorder | Typical | Mean number andrange of monthsbetween scans | Total numberof scans |
|---|---|---|---|---|
| 1 | 15 | 12 | 27 | |
| 2 | 16 | 14 | 17 (7–25) | 60 |
| 3 | 6 | 8 | 10 (5–19) | 42 |
| 4 | 3 | 5 | 8 (3–19) | 32 |
| 5 | 0 | 4 | 9 (5–20) | 20 |
| 6 | 1 | 1 | 5 (0–8) | 12 |
| Total number of subjects | 41 | 44 | 193 |
