Table 2.
Retrospective data of patient with OSA alone and OSA + OHS.
| OSA alone (n = 89) | OSA + OHS (n = 18) | p | |
|---|---|---|---|
| Gender | |||
| Men (n (%)) | 74 (83.1%) | 11 (61.1%) | 0.03 |
| Age (year) | |||
| Mean ± SD | 47.0 ± 12.0 | 54.7 ± 15.1 | 0.02 |
| Median | 47 | 55.5 | – |
| BMI (kg/m2) | |||
| Mean ± SD | 35.0 ± 5.7 | 45.4 ± 13.1 | 0.0001 |
| Median | 36.5 | 45.55 | – |
| AHI (events/h) | |||
| Mean ± SD | 35.5 ± 27.5 | 48.4 ± 27.9 | 0.07 |
| Median | 25.9 | 48.35 | – |
| pCO2 (mmHg) | |||
| Mean ± SD | 40.7 ± 3.2 | 57.4 ± 11.7 | 0.0001 |
| Median | 41.6 | 53.05 | – |
Data on pCO2 were missing for 82 patients.
OHS: obesity hypoventilation syndrome; OSA: obstructive sleep apnoea; BMI: body mass index; AHI: apnoea-hypopnea index.