Table 2. PAP treatment outcomes.
| Overall patients (n=93) | APAP | CPAP | p-value |
|---|---|---|---|
| Residual AHI, n/hour | 1.7 [0.9-2.8] | 1.4 [0.6-2.2] | 0.033* |
| Use > 4 hours, % of nights | 93.3 [86.7-98] | 93 [83.6-98.9] | 0.370 |
| Mean use, hours/night | 7 [6-8] | 7 [6-8] | 0.121 |
| Side effects | 56 (60.9) | 30 (32.6) | <0.001* |
| ESS post-PAP | 3 [3-5] | 3 [3-4] | 0.625 |
| Positional OSA (n=15) | APAP | CPAP | p-value |
| Residual AHI, n/hour | 2.3 [1.4-3.5] | 6.8 [6-8] | 0.374 |
| Use > 4 hours, % of nights | 92.4 [85-98.9] | 89 [84.4-98] | 0.092 |
| Mean use, hours/night | 6.65 [5-7.5] | 7.5 [6.5-8] | 0.046* |
| Side effects | 8 (57.1) | 4 (28.6) | 0.219 |
| ESS post-PAP | 3 [3-6] | 4 [4-5] | 0.630 |
| REM-related OSA (n=51) | APAP | CPAP | p-value |
| Residual AHI, n/hour | 2.25 [1.6-2.8] | 1.9 [0.8-2.8] | 0.344 |
| Use > 4 hours, % of nights | 93.05 [84.5-98.9] | 91.5 [73.3-96.1] | 0.225 |
| Mean use, hours/night | 7.25 [6.5-7.75] | 7.5 [6.25-8.25] | 0.854 |
| Side effects | 3 (50) | 1 (16.7) | 0.625 |
| ESS post-PAP | 4 [3-6] | 4 [4-6] | 0.633 |
Data are presented as n (%) or median [interquartile range]; *p-value <0.05. AHI: apnea-hypopnea index; APAP: auto-titrating positive airway pressure; CPAP: continuous positive airway pressure; ESS: Epworth Sleepiness Scale; OSA: obstructive sleep apnea; PAP: Positive airway pressure; REM: Rapid eye movement.