Table 3.
SMN copy number for all tested DBS samples.
| SMN2 exon7 | |||||||
|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | Total | ||
| SMN1 exon7 | 0 | 0 | 1 | 13 | 27 | 6 | 47 |
| 1 | 0 | 3 | 2 | 4 | 0 | 9 | |
| 2 | 24 | 135 | 165 | 7 | 1 | 332 | |
| 3 | 3 | 14 | 12 | 1 | 0 | 30 | |
| 4 | 2 | 1 | 1 | 0 | 0 | 4 | |
| Total | 29 | 154 | 193 | 39 | 7 | 422 | |
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