Skip to main content

Table 5 Comparison of the distribution of SMN2 copy number in SMA patients and healthy individuals

From: Molecular characterization and copy number of SMN1, SMN2 and NAIP in Chinese patients with spinal muscular atrophy and unrelated healthy controls

Number of normalSMN2

SMA patients (N = 42)

Healthy individuals (N = 212)

P

0

0 (0%)

10 (4.7%)

 

1

2 (4.8%)

70 (33.1%)

 

2

14 (33.3%)

130 (61.3%)

<0.001

3

24 (57.1%)

2 (0.9%)

 

4

2 (4.8%)

0 (0%)