Research Article

Diagnosis of Obstructive Sleep Apnea in Parkinson’s Disease Patients: Is Unattended Portable Monitoring a Suitable Tool?

Table 2

Polysomnographic data.

PD patients with successful PM recording ()PD patients with PM recording failure ()

Polysomnographic data
 Total sleep time (min)333.3 (59.9)334.3 (56.9)
 Sleep efficiency (%)76.3 (12.5)78.5 (14.0)
 Wake after sleep onset (min)89.5 (57.2)90.5 (67.1)
 Stage changes177.9 (65.9)161.6 (40.3)
 Stage 1 (% TST)13.8 (11.6)10.0 (5.2)
 Stage 2 (% TST)50.9 (14.5)51.4 (15.3)
 Stage 3 (% TST)23.3 (16.4)26.0 (17.8)
 Stage REM (% TST)12.0 (8.1)12.7 (9.4)
 % Total sleep time in supine position59.9 (29.5)47.1 (18.7)
 Total arousal index (events/h)43.0 (17.7)37.6 (13.6)
 Respiratory arousal index (events/h)24.3 (15.8)16.9 (11.3)
 Periodic limb movements of sleep index (events/h)19.6 (21.5)59.1 (65.3)
 Periodic limb movements arousal index (events/h)2.8 (3.5)5.6 (5.8)
 Spontaneous arousal index (events/h)15.5 (6.2)15.0 (4.6)
 AHI (events/h)28.2 (19.5)20.4 (13.0)
 Proportion (%) with AHI ≥ 589.387.5
 Proportion (%) with AHI ≥ 1578.662.5
 Proportion (%) with AHI ≥ 3035.725.0
 ODI (events/h)7.3 (12.4)3.6 (3.2)
 Obstructive apnea index (events/h)2.5 (4.6)1.1 (2.3)
 Central apnea index (events/h)1.1 (2.8)0.5 (0.7)

AHI: apnea hypopnea index.
ODI: oxygen desaturation index.
No significant differences were found between those with successful versus failed recordings.