Receiver operating characteristic curve for AHI_PM, Sleep Apnea Clinical Score, and neck circumference for predicting AHI_PSG ≥ 15.

<p>The areas were similar for the three predictors.</p

Accuracy of PM in predicting AHI_PSG > 15 and > 30.

<p>Accuracy of PM in predicting AHI_PSG > 15 and > 30.</p

Plot versus criterion graph.

<p>This graph plots the sensitivity and specificity with 95% confidence intervals for different cutoff values of AHI_PM; the criterion was AHI_PSG ≥ 15.</p

Modified Bland-Altman plot for AHI_PM and AHI_PSG.

<p>The difference between AHI_PSG and AHI_PM was plotted against AHI_PSG. Dark circles represent cases in which the central apnea index on portable monitoring was ≥ 5.</p

The central apnea indices on portable monitoring and polysomnography.

<p>The central apnea index with the portable monitor (CAI_PM) during the hospitalization was generally higher than on outpatient polysomnography (CAI_PSG).</p

Receiver operating characteristic curve for AHI_PM, Sleep Apnea Clinical Score, and neck circumference for predicting AHI_PSG ≥ 15, excluding patients with central apnea index ≥ 5 on portable monitoring.

<p>In these cases, AHI_PM was more accurate than the Sleep Apnea Clinical Score and neck circumference.</p

Sleep variables from PM and PSG based on the type of outpatient PSG.

<p>Sleep variables from PM and PSG based on the type of outpatient PSG.</p