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(A) The comparison of MMSE scores among patients with different severities of OSA. *Versus patients with an AHI<15 events/h, p < 0.05. (B) The comparison of MMSE scores among patients with different severities of airflow obstruction.
Abbreviations: AHI, apnoea hypopnoea index; MMSE, Mini-Mental State Examination; GOLD, Global Initiative for COPD.
