Table 1

Clinical details and magnetic resonance imaging (MRI) findings in patients with multiple system atrophy (MSA) and with obstructive sleep apnoea syndrome (OSAS)

MRI findings
PatientAge (years)SexDisease typeBMI (kg/m2)Apnoea index (/h)Desaturation index (/h)Lowest O2 saturation (%)Tongue 
 atrophyUpper airway obstructionVocal cord obstruction
OSAS data are mean (SD). BMI, body mass index; C, cerebellar MSA; F, female; M, male; P, parkinsonian MSA. Disease types C and P are based on the diagnostic criteria of Gilman et al.12
OSAS (n=20)M=16 F=432 (5.5)44 (12)28 (15)70 (10)Incomplete to completeAbsentAbsent