Table 1. Comparison of Polygraphic and Oximetric Results of Baseline HSAT vs DISE-PG.
| Characteristic | Baseline HSAT Result, Mean (SD) | DISE-PG Result, Mean (SD) | Difference HSAT vs DISE-PG | ||
|---|---|---|---|---|---|
| Mean (SD) | 95% CI | Cohen d | |||
| AHI | 37.2 (23.1) | 46.7 (21.0) | −9.5 (28.2) | −17.6 to 1.4 | −0.4 |
| AHI while supine | 49.3 (26.9) | 46.7 (21.0) | 2.5 (30.6) | −6.8 to 11.8 | 0.1 |
| Apneas, % | |||||
| Obstructive | 61.7 (30.4) | 56.3 (26.1) | 5.4 (37.1) | −7.5 to 18.4 | 0.2 |
| Mixed apneas | 3.6 (30.4) | 2.2 (26.1) | 5.4 (37.1) | −7.5 to 18.4 | 0.2 |
| Central apneas | 1.9 (3.9) | 6.5 (11.8) | −4.6 (13.3) | −9.2 to 0.1 | −0.5 |
| Hypopneas, % | 35.2 (28.2) | 30.9 (19.8) | 4.3 (31.5) | −7.7 to 16.2 | 0.2 |
| ODI | 34.4 (25.3) | 48.8 (22.6) | −14.3 (29.1) | −22.8 to −5.9 | −0.6 |
| LOS, % | 78.9 (7.7) | 72.5 (7.6) | 6.4 (8.3) | −3.8 to 9.0 | 0.8 |
| Oxygen saturation, mean, % | 93.2 (2.7) | 88.5 (3.8) | 4.8 (4.1) | −3.4 to 6.1 | 1.4 |
| CT90, % | 13.6 (18.8) | 43.7 (23.2) | −30.1 (25.7) | −38.1 to −22.1 | −1.4 |
Abbreviations: AHI, apnea-hypopnea index; CT90, cumulative time spent with oxygen saturation <90%; DISE-PG, drug-induced sleep endoscopy–polygraphy; HSAT, home sleep apnea test; LOS, lowest oxygen saturation; ODI, oxygen desaturation index.