Table 1 Differences in SMN1 and SMN2 copy number in control cases by country/region
From: SMN2 gene copy number affects the incidence and prognosis of motor neuron diseases in Japan
SMN1 CNS | China [23] | Taiwan [24] | France [13] | Netherlands [14] | Mali [25] |
|---|---|---|---|---|---|
0 (%) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
1 (%) | 2.4 | 2.1 | 2.1 | 2.3 | 0.5 |
2 (%) | 89.7 | 90.3 | 95.5 | 94.1 | 47.0 |
3 (%) | 7.0 | 7.5 | 2.4 | 3.6 | 39.6 |
4 (%) | 1.0 | 0.2 | 0.0 | 0.0 | 12.9 |
Total n= | 1712 | 107,611 | 621 | 984 | 628 |
SMN2 CNS | China [23] | Taiwan [24] | France [13] | Netherlands [14] | Mali [25] |
0 (%) | 5.2 | 4.6 | 8.4 | 7.9 | 23.9 |
1 (%) | 29.0 | 31.9 | 38.5 | 37.8 | 43.9 |
2 (%) | 61.1 | 60.5 | 51.7 | 49.4 | 27.4 |
3 (%) | 3.9 | 2.8 | 1.4 | 4.7 | 1.8 |
4 (%) | 0.9 | 0.2 | 0.0 | 0.2 | 0.6 |
Total n= | 1712 | 107,611 | 621 | 984 | 613 |