Table 2.
Comparison day and night
| Daytime | Nighttime | |||
|---|---|---|---|---|
| Parameter | Marfan | Controls | Marfan | Controls |
| Heart rate (bpm) | 76.6 (10.4 SD) | 73.6 (9.20 SD) | 63.9 (11.2 SD) | 60.0 (8.30 SD) |
| DBP brachial (mmHg) | 78.2 (7.26 SD) | 75.9 (7.09 SD) | 61.2 (7.72 SD) | 61.2 (7.35 SD) |
| SBP brachial (mmHg) | 119 (9.04 SD) | 119 (8.54 SD) | 100 (10.8 SD) | 104 (9.88 SD) |
| PP brachial (mmHg) | 40.3 (6.29 SD) | 42.6 (5.46 SD) | 38.9 (6.12 SD)* | 42.5 (5.90 SD)* |
| DBP central (mmHg) | 79.7 (7.32 SD) | 77.3 (7.24 SD) | 62.5 (7.6 SD) | 63.0 (7.81 SD) |
| SBP central (mmHg) | 119 (9.22 SD) | 119 (10.1 SD) | 108 (11.7 SD) * | 116 (14.6 SD)* |
| PP central (mmHg) | 39.3 (7.73 SD) | 42.1 (7.6 SD) | 45.7 (8.50 SD) * | 53.0 (11.4 SD) * |
| Pf (mmHg) | 26.2 (4.55 SD) | 27.8 (5.57 SD) | 28.8 (4.84 SD) * | 33.3 (8.49 SD) * |
| Pb (mmHg) | 15.2 (3.57 SD) | 16.3 (3.3 SD) | 19.2 (4.39 SD) * | 22.7 (4.73 SD) * |
| RM (−) | 57.8 (6.23 SD) | 58.6 (7.54 SD) | 66.6 (7.76 SD) | 68.7 (6.13 SD) |
| PWV (m/s) | 6.55 (1.14 SD) | 6.67 (1.19 SD) | 6.15 (1.04 SD) | 6.53 (1.2 SD) |
| AP (mmHg) | 8.13 (3.40 SD) | 8.61 (4.53 SD) | 13.3 (7.47 SD) | 14.2 (7.48 SD) |
| AIx (−) | 19.4 (6.20 SD) | 19.4 (8.20 SD) | 26.0 (10.9 SD) | 25.0 (12.5 SD) |
Results are given as mean (SD). SBP systolic blood pressure, DBP diastolic blood pressure, PP pulse pressure, Pf(b) amplitude of forward (backward) travelling pressure wave, RM reflection magnitude, PWV pulse wave velocity, AP augmented pressure, AIx augmentation index. * P < 0.05 Marfan vs. controls. Bold: P < 0.05 day vs. night