Table 2.
Objective and subjective parameters between patients with and without heated humidifiers
| Parameters | Without HH | With HH | p value |
|---|---|---|---|
| Objective (n = 52) | |||
| Optimal CPAP pressure (cm H2O) | 9.88 ± 2.16 | 9.56 ± 2.26 | 0.66 |
| AHI under CPAP | 6.11 ± 5.08 | 8.65 ± 8.37 | 0.28 |
| Median leak (L/s) | 0.056 ± 0.036 | 0.059 ± 0.069 | 0.28 |
| 95% Leak (L/s) | 0.132 ± 0.119 | 0.185 ± 0.183 | 0.17 |
| Maximum leak (L/s) | 0.445 ± 0.255 | 0.461 ± 0.304 | 0.77 |
| Subjective (n = 52) | |||
| Sleep improvement, n (better/similar/worse) | 10/13/3 | 10/11/5 | 0.74 |
| Willingness of use CPAP | 5 ± 2.84 | 4.88 ± 2.58 | 0.385 |
Sleep improvement presented as subject number; other data presented as mean ± SD or number
Abbreviations: HH heated humidifier, AHI apnea–hypopnea index, CPAP continuous positive airway pressure