Table 2: Frequency for selected sleep disorder diagnoses as either a primary or secondary diagnosis based on physician medical chart review.
Data presented as n (%). *Primary diagnosis refers to the main diagnosis assigned by the physicians performing the medical record; Secondary diagnosis refers to the alternate diagnosis assigned by the physician if more than one was present; UARS - upper airway resistance syndrome; OSA - obstructive sleep apnea; CNS - central nervous system; CSA- central sleep apnea
| Diagnosis* | |||
|---|---|---|---|
|
|
|||
| Condition | Total | Primary | Secondary |
| OSA | 606 (51.1) | 546 (46.0) | 60 (5.1) |
| OSA/hypoventilation | 28 (12.4) | 27 (2.3) | 1 (0.1) |
| Insomnia | 407 (34.4) | 334 (28.2) | 73 (6.2) |
| CNS hypersomnolence | 59 (5.0) | 57 (4.8) | 2 (0.2) |
| Restless leg syndrome | 48 (4.1) | 27 (2.3) | 21 (1.8) |
| UARS | 28 (2.4) | 21 (1.8) | 7 (0.6) |
| Parasomnia | 14 (1.2) | 7 (0.6) | 7 (0.6) |
| CSA | 8 (0.6) | 4 (0.3) | 4 (0.3) |
| Snoring | 59 (5.0) | 41 (3.5) | 18 (1.5) |
| Depression | 13 (1.3) | 11 (0.9) | 5 (0.4) |
| Fatigues | 15 (1.3) | 9 (0.8) | 6 (0.5) |
| Fibromyalgia | 10 (0.8) | 6 (0.5) | 4 (0.3) |
| Normal | 49 (4.1) | 49 (4.1) | NA |
| Other | 115 (9.7) | 47 (4.0) | 68 (5.7) |