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. 2021 Mar 1;10(5):936. doi: 10.3390/jcm10050936

Figure 1.

Figure 1

Figure 1

Probability of continuing continuous positive airway pressure (CPAP) therapy during follow-up in patient subgroups: (A) by age group; (B) by sex; (C) by comorbidities. COPD, chronic obstructive pulmonary disease; HTN, hypertension (log-rank test p < 0.01 for all comparisons).