Douglas B Kirsch1, Hongmei Yang2, Andréa L Maslow2, Michael Stolzenbach3, Andrea McCall4. 1. Sleep Medicine, Atrium Health, Charlotte, North Carolina. 2. Information and Analytics Services, Atrium Health, Charlotte, North Carolina. 3. Continuing Care, Atrium Health, Charlotte, North Carolina. 4. Quality Division, Atrium Health, Charlotte, North Carolina.
Abstract
STUDY OBJECTIVES: The current value-based medical climate has led to scrutiny of all medical costs. Given the relationship between obstructive sleep apnea (OSA) and many significant comorbid medical conditions, treating patients with OSA via positive airway pressure (PAP) therapy might reduce health care expenditures. Our goal was to determine the relationship between PAP use and acute care utilization and costs. METHODS: This was a retrospective cohort study of adult patients who initiated PAP therapy after a diagnosis of moderate-severe OSA at a large integrated health system during 2014-2016. RESULTS: The study consisted of 1,098 patients, of which 60% were on PAP > 4 h/night for ≥ 70% of the nights. The average h/night were 5.3 (standard deviation 2.4). Increasing PAP usage was associated with reduced inpatient (rate ratio [RR] 0.92, 95% confidence interval [CI] 0.86-0.98) and overall acute care visits (RR 0.96, 95% CI 0.92-0.99). The linear relationships were supported by the threshold effects identified in the categorical adherence measures. No linear association was identified with emergency department visits and inpatient stays. However, lower number of emergency department visits (RR 0.78, 95% CI 0.62-0.98) and inpatient stays (RR 0.56, 95% CI 0.35-0.91) were observed among adherent (> 4 h/night for ≥ 70% of the nights) patients. CONCLUSIONS: PAP usage was linearly associated with reduced number of inpatient and overall acute care visits, and lower likelihood of having positive costs from these visits. PAP usage was also associated with less emergency department visits and inpatient stays when comparing adherent patients to less adherent patients. CITATION: Kirsch DB, Yang H, Maslow AL, Stolzenbach M, McCall A. Association of positive airway pressure use with acute care utilization and costs. J Clin Sleep Med. 2019;15(9):1243-1250.
STUDY OBJECTIVES: The current value-based medical climate has led to scrutiny of all medical costs. Given the relationship between obstructive sleep apnea (OSA) and many significant comorbid medical conditions, treating patients with OSA via positive airway pressure (PAP) therapy might reduce health care expenditures. Our goal was to determine the relationship between PAP use and acute care utilization and costs. METHODS: This was a retrospective cohort study of adult patients who initiated PAP therapy after a diagnosis of moderate-severe OSA at a large integrated health system during 2014-2016. RESULTS: The study consisted of 1,098 patients, of which 60% were on PAP > 4 h/night for ≥ 70% of the nights. The average h/night were 5.3 (standard deviation 2.4). Increasing PAP usage was associated with reduced inpatient (rate ratio [RR] 0.92, 95% confidence interval [CI] 0.86-0.98) and overall acute care visits (RR 0.96, 95% CI 0.92-0.99). The linear relationships were supported by the threshold effects identified in the categorical adherence measures. No linear association was identified with emergency department visits and inpatient stays. However, lower number of emergency department visits (RR 0.78, 95% CI 0.62-0.98) and inpatient stays (RR 0.56, 95% CI 0.35-0.91) were observed among adherent (> 4 h/night for ≥ 70% of the nights) patients. CONCLUSIONS: PAP usage was linearly associated with reduced number of inpatient and overall acute care visits, and lower likelihood of having positive costs from these visits. PAP usage was also associated with less emergency department visits and inpatient stays when comparing adherent patients to less adherent patients. CITATION: Kirsch DB, Yang H, Maslow AL, Stolzenbach M, McCall A. Association of positive airway pressure use with acute care utilization and costs. J Clin Sleep Med. 2019;15(9):1243-1250.
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