Table 3: Comparisons of polysomnographic values between OSA cases and controls.

   Polysomnography Criteria    Controls(N=20)    Patients(N=80)    P-Value
   Apnea–Hypopnea Index    2.65±1.23    42.45±26.96    0.001*
   Basal oxygen level    95.30±2.00    94.90±2.93    0.56
   Lowest oxygen saturation    92.05±1.88    82.00±10.37    0.001*
   Desaturation index    1.00± 0.97    43.70±31.04    0.001*
   Total severity index    3.65± 1.53    86.15±57.45    0.001*
   Arousal index    43.70±31.04    36.45±27.02    0.001*

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