Table 2. Mean (± SD) and median values of the impulses recorded by the Lameness detector 0.1 in the right hindleg of the horses presenting lameness in that leg (N = 33), assessed before and after intra-articular anesthesia.
| Lameness score | N | Mean number of impulses before joint block Mean ± SD (Median) |
Mean number of impulses after joint block Mean ± SD (Median) |
p |
|---|---|---|---|---|
| X axis | ||||
| 1/5 | 4 | 88.65 ± 0.70 (89.00) | 71.75 ± 11.53 (66.50) | 0.059 |
| 2/5 | 13 | 88.44 ± 0.48 (88.30) | 86.85 ± 6.48 (89.00) | 0.406 |
| 3/5 | 14 | 95.36 ± 1.15 (96.00) | 88.64 ± 0.93 (89.00) | <0.001* |
| 4/5 | 2 | 112.00 ± 0.00 (112.00) | 89.00 ± 0.00 (89.00) | - |
| Total | 33 | 92.83 ± 6.04 (89.00) | 85.91 ± 7.60 (89.00) | <0.001* |
| Y axis | ||||
| 1/5 | 4 | 66.87 ± 0.25 (67.00) | 66.25 ± 0.50 (66.00) | 0.80 |
| 2/5 | 13 | 64.46 ± 0.78 (64.00) | 67.85 ± 5.23 (67.00) | 0.026* |
| 3/5 | 14 | 65.21 ± 1.37 (66.00) | 66.50 ± 0.94 (67.00) | 0.004* |
| 4/5 | 2 | 62.00 ± 0.00 (62.00) | 64.00 ± 0.00 (64.00) | - |
| Total | 33 | 64.92 ± 1.46 (65.00) | 66.85 ± 3.51 (67.00) | 0.003* |
| Z axis | ||||
| 1/5 | 4 | 64.05 ± 0.10 (64.00) | 63.00 ± 1.15 (63.00) | 0.152 |
| 2/5 | 13 | 63.31 ± 1.11 (64.00) | 63.54 ± 0.97 (64.00) | 0.534 |
| 3/5 | 14 | 64.94 ± 0.21 (65.00) | 63.93 ± 1.14 (64.00) | 0.003* |
| 4/5 | 2 | 61.00 ± 0.00 (61.00) | 62.00 ± 0.00 (62.00) | - |
| Total | 33 | 63.95 ± 1.27 (64.00) | 63.55 ± 1.12 (64.00) | 0.083 |
*For p-values <0.05, the difference between the mean impulse values is significant. The missing p values were caused by identical mean values of impulses before and after the intra-articular anesthesia (t could not be calculated). N: number of horses; SD: standard deviation.