Skip to main content

Table 4 2018 and 2019 Surveys Comparison of Tests Required for SMA Diagnosis

From: Awareness screening and referral patterns among pediatricians in the United States related to early clinical features of spinal muscular atrophy (SMA)

  Each test comparison
2018 Response 2019 Response p value
Electromyography    0.189
 Yes 11.3% 14.5%  
 No 88.7% 85.5%  
Genetic Testing    0.03
 Yes 52.7% 45.0%  
 No 47.3% 55.0%  
Muscle Biopsy    0.068
 Yes 31.0% 37.2%  
 No 69.0% 62.8%  
Serum Creatinine Kinase    0.017
 Yes 4.3% 1.7%  
 No 95.7% 98.3%  
Other    0.218
 Yes 0.7% 1.7%  
 No 99.3% 98.3%