Table 3.
| Table 3-1. Comparison between OSDB patients with validation outpatient polysomnography and eligible patients who did not have validation polysomnography OSDB | ||||
|---|---|---|---|---|
| OSDB patients with validation PSGs (62) Mean or % (SE)(N) | OSDB Non-validated patients (49) Mean or % (SE)(N) | Difference between validated OSDB patients and non-validated patients | 95% CI for the Difference | |
| Age | 55 (1.8) (62) | 61 (2.1) (49) | −6 | −11.4, 0.4 |
| Male | 69% (6%) (62) | 67% (7%) (49) | 2% | −16%, 20% |
| BMI | 35.5 (1.1) (62) | 30.8 (1.3) (49) | 4.7 | 1.4, 8.0 |
| LVEF | 35.3 (2.2) (60) | 31.2 (2.8) (48) | 4.1 | −2.8, 11.0 |
| LVEDD | 56.4 (2.1) (51) | 58.6 (2.2) (38) | −2.2 | −8.2, 3.9 |
| BNP | 475 (79) (46) | 1113 (180) (44) | −637 | −1023, −252 |
| Ischemic cardiomyopathy | 56% (6%) (62) | 69% (7%) (49) | −13% | −31%, 5% |
| Snoring | 54% (6%) (61) | 80% (6%) (40) | −26% | −45%, −7% |
| ESS | 10.4 (0.7) (43) | 9.7 (0.9) (43) | 0.7 | −1.5, 2.9 |
| Atrial fibrillation | 41% (6%) (61) | 39% (7%) (49) | 2% | −17%, 21% |
| Inpatient AHI | 37.4 (2.5) (62) | 32.5 (1.9) (49) | 5.0 | −1.7, 11.6 |
| Table 3-2. Comparison of AHI between the in-hospital study and the polysomnography in the validated OSDB and CSDB patients | ||||
| PSG AHI Mean (SE) (N) | Inpatient AHI Mean (SE) (N) | Difference between PSG AHI and Stardust AHI | 95% CI for the Difference | |
| OSDB | 41.7 (3.9) (62) | 37.4 (2.5) (62) | 4.3 | −1.1, 9.6 |
| CSDB | 36.4 (7.2) (12) | 49.1 (5.9) (12) | −12.7 | −29.9, 4.5 |
OSDB: Obstructive Sleep Disordered Breathing; CSDB; BNP: B-type natriuretic peptide on admission; SE: Standard error; LVEF: left ventricular ejection fraction; LVEDD: Left ventricular end diastolic diameter; ESS: Epworth Sleepiness Scale; BMI: body mass index; SE: Standard error; N: number of patients with available data; Inpatient AHI: Apnea hypopnea index on the inpatient sleep study
OSDB: Obstructive Sleep Disordered Breathing; CSDB: Central Sleep Disordered Breathing; LVEDD: Left ventricular end diastolic diameter; LVEF: Left ventricular ejection fraction; BNP: B-type natriutic peptide on admission; SE: Standard error; ESS: Epworth Sleepiness Scale; AHI: Apnea hypopnea index, Afib: Atrial Fibrillation, PSG: Polysomnography