Table 2.
Peak percentage change in brachial artery diameter post reactive hyperaemia
| Study | Healthy | CAD | CAD risk |
|---|---|---|---|
| Allen et al. (2000) | 7.65 ± 3.97 | — | — |
| Berry et al. (2000) | 5.7 ± 0.7 | — | — |
| Betik et al. (2004) | 3.4 ± 0.6 | — | — |
| Celermajer et al. (1993) | 10 ± 3.3 | — | 4 ± 3.9 |
| Clarkson et al. (1999) | 2.2 ± 2.4 | — | — |
| Corretti et al. (1995) | 11.3 ±± 5.4 | 1.6 ± 5.2 | — |
| Esper et al. (1999) | 19.1 | 1.2 | 11.9 |
| Imamura et al. (2001) | 8.2 ± 2.7 | — | 4.0 ± 1.7 |
| Lieberman et al. (1996) | 6.2 ± 0.7 | 1.3 ± 1.1 | — |
| Neunteufl et al. (1997) | 12.6 ± 6.7 | 5.7 ± 4.8 | — |
| Takase et al. (1998) | — | — | 5.67 ± 6.14 |
There is a high degree of variability in the observed FMD response in the literature. A percentage change that indicates a healthy response in one study might indicate a diseased response in another.