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Number of patients with central sleep apnea (yes/no) and an ODI of ≥15 or <15 (as measured by the smartphone-compatible oximeter).
| Oxygen desaturation index measured by mobile pulse oximeter | Central sleep apnea present, n (%) | Central sleep apnea absent, n (%) | Total, n (%) |
| ≥15 | 3 (14) | 7 (32) | 10 (46) |
| <15 | 4 (18) | 8 (36) | 12 (54) |
| Total | 7 (32) | 15 (68) | 22 (100) |
