Multiple linear regression results, modelling BP change overnight (n = 448)
| % variance explained | ||||
| Men | Women | Combined | β coefficient (95% CI) | |
| Systolic BP change overnight (mm Hg) | ||||
| Mean respiratory effort (ms) | 6.5 (p = 0.0002) | 4.5 (p = 0.001) | 5.2 (p<0.0001) | 0.95 (0.53 to 1.37) |
| >4% Sao 2 dips/h | 3.4 (p = 0.009) | 1.6 (p = 0.09) | 2.2 (p = 0.0013) | 0.52 (0.18 to 0.89) |
| Total | 9.9 | 6.1 | 7.4 | |
| Diastolic BP change overnight (mm Hg) | ||||
| >4% Sao 2 dips/h | 7.1 (p = 0.0001) | 5.1 (p<0.0001) | 0.48 (0.26 to 0.70) | |
| Mean respiratory effort (ms) | 1.7 (p = 0.05) | 1.0 (p = 0.01) | 0.34 (0.07 to 0.61) | |
| Total | 7.1 | 1.7 | 6.1 | |