Table 1.
Normal BP index (BP index <1.0) vs high BP index (BP index ≥1.0)
| BP index <1.0 | BP index ≥1.0 | p value | |
|---|---|---|---|
| N | 9 | 29 | |
| Age (year) | 15.0 ± 2.6 | 15.7 ± 2.0 | 0.624 |
| BMI | 20.2 ± 2.7 | 26.3 ± 5.3 | 0.001 |
| BP index | 0.94 ± 0.06 | 1.11 ± 0.09 | <0.001 |
| BP load (day) (%) | 19.6 ± 17.9 | 81.2 ± 20.5 | <0.001 |
| Night dip (%) | 7.0 ± 5.4 | 8.5 ± 4.2 | 0.164 |
| Daytime average SBP | 125.9 ± 7.4 | 151.1 ± 11.6 | <0.001 |
| Night time average SBP | 117.0 ± 7.7 | 139.9 ± 13.9 | <0.001 |
| LVMI (g/m2.7) | 32.2 ± 8.1 | 40.7 ± 9.8 | 0.016 |
| LVMI (g/m2) | 73.2 ± 17.6 | 84.2 ± 16.8 | 0.032 |
| LVH (N) (%) | 0 (0 %) | 5 (19.2) | 0.297 |
| E/E’ | 7.6 ± 2.5 | 7.1 ± 2.2 | 0.583 |
| E/A | 1.9 ± 0.5 | 1.9 ± 0.7 | 0.854 |
| Tei index | 0.3 ± 0.1 | 0.3 ± 0.1 | 0.929 |
Test method = Mann-Whitney U test
N sampler number, BMI body mass index, BP index blood pressure index, BP load (day) blood pressure load during daytime, LVMI left ventricular mass index, LVH left ventricular hypertrophy, E/E’ early transmitral filling velocity/early diastolic tissue velocity at septal mitral annulus, E/A early transmitral filling velocity/late transmitral filling velocity