Table 2.
Brachial artery measurements in young adults born very preterm or with extremely low birthweight and term-born controls.
| PB/ELBW | 95% CI | Controls | 95% CI | P-value | |
|---|---|---|---|---|---|
| N = 50 | N = 49 | ||||
| Baseline diameter (mm), mean | 3.21 | (3.07, 3.35) | 3.37 | (3.19, 3.54) | 0.17 |
| Peak diameter at FMD (mm), mean | 3.39 | (3.24, 3.54) | 3.61 | (3.44, 3.77) | 0.57 |
| Peak diameter at NID (mm), mean | 4.02 | (3.85, 4.18) | 4.15 | (4.00, 4.31) | 0.23 |
| Absolute FMD (mm), meana | 0.17 | (0.14, 0.21) | 0.24 | (0.20, 0.28) | 0.01 |
| Absolute NID (mm), meana | 0.79 | (0.73, 0.86) | 0.79 | (0.74, 0.83) | 1.00 |
| Percentage FMD (%), mean | 5.4 | (4.2, 6.6) | 7.5 | (6.2, 8.9) | 0.02 |
| Percentage NID (%), mean | 25.0 | (22.8, 27.2) | 24.5 | (22.2, 26.8) | 0.75 |
| FMD/NID (%), mean | 20.3 | (16.1, 24.5) | 30.8 | (25.9, 35.6) | 0.001 |
PB/ELBW, very preterm born (<29 weeks of gestation) or with extremely low birthweight (<1,000 g); FMD, flow-mediated dilatation; NID, nitroglycerine induced dilatation.
a
Adjusted for baseline diameter.