Research Article

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

Table 5

Performance of PM for multiple AHI cut-offs and ODI.

Parameters () Sensitivity (95% CI)Specificity (95% CI)PPV (95% CI)NPV (95% CI)Accuracy (95% CI)

AHI ≥ 5/h ()RDI ≥ 5/h
0.84 (0.64–0.95)0.67 (0.09–0.99)0.95 (0.77–0.99)0.33 (0.04–0.78)0.82 (0.63–0.94)

AHI ≥ 15/h ()RDI ≥ 10/h
0.62 (0.38–0.82)0.71 (0.29–0.96)0.87 (0.59–0.98)0.38 (0.14–0.68)0.64 (0.44–0.81)
RDI ≥ 15/h
0.33 (0.14–0.57)0.71 (0.29–0.96)0.78 (0.40–0.97)0.26 (0.09–0.51)0.43 (0.24–0.63)
RDI ≥ 20/h
0.33 (0.15–0.57)1.00 (0.59–1.00)1.00 (0.59–1.00)0.33 (0.15–0.57)0.50 (0.31–0.69)

AHI ≥ 30/h ()RDI ≥ 30/h
0.56 (0.21–0.86)1.00 (0.82–1.00)1.00 (0.48–1.00)0.83 (0.61–0.95)0.86 (0.67–0.96)

ODIPSG ≥ 5/h ()ODIPM ≥ 5/h
0.88 (0.47–0.99)0.80 (0.56–0.94)0.64 (0.31–0.89)0.94 (0.71–1.00)0.82 (0.63–0.94)

RDI (respiration disturbance index) was used for home portable monitoring.
AHI (apnea hypopnea index) was used for polysomnography.
ODI: oxygen desaturation index.
95% CI: 95% confidence interval.
PPV: positive predictive value.
NPV: negative predictive value.