Table 1.
Characteristics and demographics of patients with central sleep apnea or obstructive sleep apnea
| CSA (n = 2,961) | OSA (n = 1,487,353) | |
|---|---|---|
| Age, M (SD) | 61.8 (15.6) | 56.7 (13.9) |
| <65 yr, n (%) | 1,477 (49.9) | 1,003,487 (67.5) |
| ⩾65 yr, n (%) | 1,484 (50.1) | 483,866 (32.5) |
| Body mass index, M (SD) | 31.2 (6.2) | 33.5 (6.2) |
| <18.5 | 22 (0.7) | 3,772 (0.3) |
| ⩾18.5 to <30 | 1,342 (45.3) | 453,195 (30.5) |
| ⩾30 | 1,597 (53.9) | 1,030,386 (69.3) |
| Race, n (%) | ||
| White | 2,325 (78.5) | 1,058,902 (71.2) |
| Black | 393 (13.3) | 298,392 (20.1) |
| Other | 243 (8.2) | 130,059 (8.7) |
| Sex (male), n (%) | 2,834 (95.7) | 1,389,393 (93.4) |
| Ethnicity (Hispanic), n (%) | 150 (5.1) | 117,779 (7.9) |
| Comorbidity | ||
| CCI, M (SD) | 1.8 (2.3) | 1.6 (2.1) |
| CCI ⩾2, n (%) | 1,137 (38.4) | 6,846 (37.1) |
| Myocardial infarction, n (%) | 138 (4.7) | 37,615 (2.5) |
| Heart failure, n (%) | 470 (15.9) | 99,919 (6.7) |
| Peripheral vascular disease, n (%) | 295 (10.0) | 75,627 (5.1) |
| Cerebrovascular disease, n (%) | 280 (9.5) | 73,510 (4.9) |
| Dementia, n (%) | 96 (3.2) | 12,385 (0.8) |
| Chronic obstructive pulmonary disease, n (%) | 618 (20.9) | 276,346 (18.6) |
| Connective tissue disease, n (%) | 45 (1.5) | 18,535 (1.2) |
| Peptic ulcer disease, n (%) | 25 (0.8) | 11,434 (0.8) |
| Mild liver disease, n (%) | 121 (4.1) | 37,880 (2.5) |
| Diabetes mellitus without complication, n (%) | 866 (29.2) | 425,423 (28.6) |
| Diabetes mellitus with end-organ damage, n (%) | 338 (11.4) | 137,269 (9.2) |
| Hemiplegia, n (%) | 46 (1.6) | 7,856 (0.5) |
| Moderate to severe chronic kidney disease, n (%) | 375 (12.7) | 94,393 (6.3) |
| Solid tumor (localized), n (%) | 241 (8.1) | 89,223 (6.0) |
| Moderate to severe liver disease, n (%) | 16 (0.5) | 3,795 (0.3) |
| Solid tumor (metastatic), n (%) | 28 (0.9) | 5,127 (0.3) |
| Acquired immunodeficiency syndrome, n (%) | 7 (0.2) | 4,657 (0.3) |
Definition of abbreviations: CCI = Charlson Comorbidity Index; CSA = central sleep apnea; M (SD) = mean (standard deviation); OSA = obstructive sleep apnea.