Table 3. Mean (± SD) and median values of the Lameness detector 0.1 recorded impulses in the left hindleg of the horses presenting lameness in that leg (N = 34), 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 | 5 | 87.20 ± 1.10 (87.00) | 70.20 ± 9.39 (66.00) | 0.020* |
| 2/5 | 11 | 88.64 ± 0.50 (89.00) | 84.82 ± 9.30 (89.00) | 0.190 |
| 3/5 | 14 | 94.86 ± 1.35 (95.50) | 87.93 ± 1.27 (88.50) | <0.001* |
| 4/5 | 4 | 112.00 ± 0.00 (112.00) | 88.75 ± 0.50 (89.00) | <0.001* |
| Total | 34 | 93.74 ± 7.55 (93.00) | 84.41 ± 8.70 (89.00) | <0.001* |
| Y axis | ||||
| 1/5 | 5 | 65.00 ± 1.22 (65.00) | 65.52 ± 2.20 (66.00) | 0.675 |
| 2/5 | 11 | 64.27 ± 0.65 (64.00) | 66.73 ± 0.90 (67.00) | <0.001* |
| 3/5 | 14 | 64.57 ± 1.55 (65.00) | 65.57 ± 1.28 (65.50) | 0.073 |
| 4/5 | 4 | 62.00 ± 0.00 (62.00) | 66.25 ± 1.50 (67.00) | 0.011* |
| Total | 34 | 64.24 ± 1.42 (64.00) | 66.02 ± 1.41 (67.00) | <0.001* |
| Z axis | ||||
| 1/5 | 5 | 64.00 ± 0.00 (64.00) | 62.20 ± 1.10 (62.00) | 0.021* |
| 2/5 | 11 | 62.55 ± 0.93 (62.00) | 63.91 ± 0.70 (64.00) | 0.001* |
| 3/5 | 14 | 64.64 ± 0.84 (65.00) | 63.29 ± 0.83 (63.50) | 0.001* |
| 4/5 | 4 | 61.00 ± 0.00 (61.00) | 64.00 ± 0.00 (64.00) | - |
| Total | 34 | 63.44 ± 1.48 (64.00) | 63.41 ± 0.69 (64.00) | 0.932 |
Note: *For p-values <0.05 the difference between the mean impulses’ values is significant.
The missing p value was caused by identical mean values of impulses before and after the intra-articular anesthesia (t could not have been calculated).