Table 4 SMN2 copy numbers in patients with different clinical types of SMA
Clinical types | SMN2 copy number | Total | |||
|---|---|---|---|---|---|
1 | 2 | 3 | 4 | ||
Type I | 46 (10.98%) | 126 (30.07%) | 5 (1.19%) | 0 (0.00%) | 177 (42.24%) |
Type II | 2 (0.48%) | 101 (24.11%) | 19 (4.53%) | 4 (0.95%) | 126 (30.07%) |
Type III | 0 (0.00%) | 47 (11.22%) | 49 (11.70%) | 4 (0.95%) | 100 (23.87%) |
Type IV | 0 (0.00%) | 2 (0.48%) | 9 (2.15%) | 5 (1.19%) | 16 (3.82%) |
Total | 48 (11.46%) | 276 (65.87%) | 82 (19.57%) | 13 (3.10%) | 419 |