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 changes
177.9 (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 position
59.9 (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 ≥ 5
89.3
87.5
Proportion (%) with AHI ≥ 15
78.6
62.5
Proportion (%) with AHI ≥ 30
35.7
25.0
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.