Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc
Journal website http://www.jocmr.org

Original Article

Volume 4, Number 5, October 2012, pages 332-337


Assessment of Sleep-Related Breathing Disorders in Patients With Duchenne Muscular Dystrophy

Tables

Table 1. Demographic Characteristics of the Patients and the Control Group
 
Patient Group
mean ± SD
Control Group
mean ± SD
P-value
SD: standard deviation, BMI: body mass index (weight/height2), SDS: standard deviation score.
Age (years)10.33 ± 4.010.4 ± 4.20.366
Weight (kg)29.6 ± 1.227.4 ± 7.51
BMI16.8 ± 4.616.5 ± 1.30.366
BMI ± SDS-1.0 ± 2.6-0.44 ± 0.990.728

 

Table 2. Comparison of the Polysomnographic Findings of Patients With Duchenne Muscular Dystrophy and Controls
 
Patient Group (n = 12)
mean ± SD
Control Group (n = 23)
mean ± SD
P-value
REM: rapid eye movement.
Number of arousals from sleep34.35 ± 3745.24 ± 450.47
Sleep onset latency34 ± 3020.69 ± 130.322
Sleep efficiency (%)89 ± 1188.98 ± 100.80
Percentage of total superficial sleep (N1 N2)42.51 ± 5134.83 ± 120.18
Percentage of deep sleep (N3)29.74 ± 7.237.16 ± 100.317
Percentage of REM sleep27.63 ± 1425.59 ± 100.414
Leg movement index16 ± 7.0111.01 ± 6.20.019
Total arousal index18.85 ± 2235.95 ± 210.07
Apnea-hypopnea index2.5 ± 2.80.75 ± 0.90.012
Longest duration of apnea-hypopnea35.75 ± 2815.54 ± 160.034
Mean duration of apnea-hypopnea17.01 ± 6.310.78 ± 8.70.10
Lowest oxygen saturation92.66 ± 2.990.56 ± 4.50.214
Number of desaturations3.83 ± 8.50.95 ± 1.80.18