Table 5– Multivariate binary regression analysis between thromboembolic events and potential risk factors
Independent variablenDVT and/or PE cases
OR (95% CI)p-value
Entire sample164
 SDB#2.28 (1.08–4.85)0.032
 Immobilisation7.67 (2.04–28.91)0.003
 Cancer4.25 (1.40–12.91)0.011
 Family history of DVT/PE2.63 (0.99–7.00)0.052
 Surgery or trauma2.08 (0.74–5.87)0.167
Sub-analysis in females80
 SDB#4.14 (1.05–16.36)0.042
 Immobilisation11.43 (1.09–120.31)0.042
 Cancer2.75 (0.58–13.06)0.205
 Family history of DVT/PE2.20 (0.52–9.24)0.282
 Surgery or trauma1.61 (0.26–9.98)0.611
Sub-analysis in males84
 SDB#1.55 (0.57–4.21)0.391
 Immobilisation5.26 (0.92–30.15)0.062
 Cancer12.16 (1.40–105.35)0.023
 Family history of DVT/PE3.03 (0.63–14.57)0.166
 Surgery or trauma2.45 (0.63–9.50)0.194
  • The multivariate binary regression model included sleep-disordered breathing (SDB), surgery or trauma, immobilisation, cancer, family history of deep vein thrombosis (DVT) and/or pulmonary embolism (PE) as independent variables. #: respiratory disturbance index ≥15 events·h−1.