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. 2021 Dec 2;12:745049. doi: 10.3389/fneur.2021.745049

Figure 2.

Figure 2

Timeline of initiation of PAP treatment and assessment of clinical data within the median observation period of 2.3 (2.2; 2.4) years. The mean self-reported PAP usage was 6.2 ± 2.4 h/night. Total 87% of the patients in the SDB PAP group used their PAP device ≥4 h/night, 8% did not use their PAP device regularly. HbA1c, hemoglobin A1c; PAP, positive airway pressure; SDB, sleep-disordered breathing.