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Fig. 3 | BMC Pulmonary Medicine

Fig. 3

From: Switch of noninvasive ventilation (NIV) to continuous positive airway pressure (CPAP) in patients with obesity hypoventilation syndrome: a pilot study

Fig. 3

Measurement of mean AHI; diurnal and nocturnal alveolar gas exchange parameters and mean compliance, in 15 patients, with NIV and one month after the switch to CPAP. Definition of abbreviations: NIV: Non Invasive Ventilation; CPAP: continuous positive airway pressure; AHI: Apnea Hypopnea Index; RT < 90% spO2: percentage of recording time below 90% saturation; NS: no significant difference p > 0.05

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BMC Pulmonary Medicine

ISSN: 1471-2466

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