A real-world comparison of apnea–hypopnea indices of positive airway pressure device and polysomnography

Ritwick Agrawal, Julie A Wang, Anita G Ko and Joanne E Getsy

PLOS ONE, 2017, vol. 12, issue 4, 1-8

Abstract: The apnea hypopnea index (AHI) reported by positive airway pressure (PAP) device is widely used in clinical practice, yet its correlation with standardized AHI obtained during the sleep study is not established. The current study was conducted to investigate the correlation between AHI estimated by the PAP device and reported on the smart card with the AHI found during the PAP polysomnography (PSG) in the “real world” setting at an academic sleep center. We retrospectively reviewed the medical records of 280 patients who underwent a PAP titration PSG at Drexel sleep center, and were later prescribed a PAP device. The AHI was categorized in clinically relevant subgroups (as AHI ≤5 and AHI >5). The AHI at the final pressure on the PSG and the average AHI from the prescribed PAP device were compared. The results showed that in the majority (77.3%) of patients (126 of 163), the AHI from both PAP device and PSG correlated well and were in the same category (AHI ≤5 and AHI >5 respectively). The majority of patients (80.7%) with PSG AHI of 5, 61.5% patients reported good control, with AHI

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0174458

DOI: 10.1371/journal.pone.0174458

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