Table 1.
Comparison of demographics and clinical characteristics of patients with OSA and controls.
| OSA (n = 27) | Controls (n = 29) | P | |
|---|---|---|---|
| Age (years) | 60/53–68/ | 41/28–54/ | < 0.01 |
| Gender (male %) | 33 | 28 | 0.64 |
| BMI (kg/m2) | 26.6/23.3–29.6/ | 24.4/21.0–27.7/ | 0.05 |
| Smoker (ever %) | 26 | 3 | 0.01 |
| Hypertension (%) | 67 | 28 | < 0.01 |
| Cardiovascular or cerebrovascular disease (%) | 26 | 3 | 0.01 |
| Depression (%) | 7 | 3 | 0.51 |
| Diabetes (%) | 22 | 10 | 0.22 |
| Dyslipidaemia (%) | 48 | 38 | 0.44 |
| Asthma (%) | 11 | 7 | 0.58 |
| COPD (%) | 7 | 3 | 0.51 |
| Osteoporosis (%) | 19 | 0 | 0.01 |
| Aspirin use | 7 | 22 | 0.03 |
| Opioid use | 4 | 0 | 0.30 |
| ESS | 6/4.5–10.5/ | 6 | 0.76 |
| TST (min) | 394/378–430/ | 416/362–424/ | 0.67 |
| SPT (min) | 435/406–462/ | 425/407–437/ | 0.41 |
| Sleep % | 95/89–98/ | 96/92–99/ | 0.32 |
| AHI (1/h) | 9.4/6.5–14.2/ | 2.3/1.0–2.8/ | < 0.01 |
| ODI (1/h) | 8.4/4.9–11.2/ | 0.9/0.2–1.7/ | < 0.01 |
| TST90% (%) | 1.3/0.2–2.9/ | 0.0/0.0–0.0/ | < 0.01 |
AHI apnoea-hypopnoea index, BMI body mass index, COPD chronic obstructive pulmonary disease, ESS Epworth Sleepiness Scale, ODI oxygen desaturation index, OSA obstructive sleep apnoea, Sleep%—sleep efficiency, SPT sleep period time, TST total sleep time, TST90% percentage of total sleep time spent with oxygen saturation below 90%. Data are presented as median /interquartile range/