Table 2 Echocardiographic determination of valvular regurgitation at pre- and post-race time points in 30 Thoroughbred horses
| Â | Pre-Race (T0) | Post-Race (T1) |
|---|---|---|
AoV Regurgitation | Number of Horses (%) | Number of Horses (%) |
 None | 15 (50.0%) | 4 (13.3%) |
 Trace | 11 (36.6%) | 12 (40.0%) |
 Mild | 4 (13.3%) | 14 (46.6%) |
 Moderate | 0 | 0 |
TV Regurgitation | ||
 None | 12 (40.4%) | 4 (13.3%) |
 Trace | 13 (43.3%) | 2 (6.7%) |
 Mild | 5 (16.7%) | 16 (53.3%) |
 Moderate | 0 | 8 (26.7%) |
MV Regurgitation | ||
 None | 30 (100%) | 22 (73.3%) |
 Trace | 0 | 5 (16.7%) |
 Mild | 0 | 3 (10.0%) |
 Moderate | 0 | 0 |