| DVT/PE cases | Controls | p-value | |
| Subjects n | 82 | 82 | |
| Polygraphy | |||
| RDI events·h−1 | 17.8±17.9 | 12.4±15.2 | 0.039 |
| ODI events·h−1 | 12.0±17.0 | 9.6±15.0 | 0.349 |
| Mean Sp,O2 % | 93.8±2.8 | 94.0±2.7 | 0.578 |
| Minimal Sp,O2 % | 78.5±12.2 | 81.1±9.7 | 0.125 |
| Symptoms | |||
| Snoring n (%)# | 50 (62) | 55 (68) | 0.411 |
| Epworth Sleepiness Scale score¶ | 4.9±3.2 | 6.0±4.5 | 0.071 |
Data are presented as mean±sd, unless otherwise stated. DVT: deep vein thrombosis; PE: pulmonary embolism; RDI: respiratory disturbance index; ODI: oxygen desaturation index; Sp,O2: arterial oxygen saturation. #: data sets of 81 case–control pairs; ¶: data sets of 77 case–control pairs.