Table 2.
Comparison of clinical and functional AT assessments
| PsA + AT (n = 11) |
PsA-AT (n = 11) |
Healthy controls (n = 11) | p value | |
|---|---|---|---|---|
| Self-reported | ||||
| Presence of AT morning stiffness | 10 (90.9%) | 1 (9.1%) | 1 (9.1%) | < 0.001 |
| VISA-A (0-100) | 35.8 [25.7] | 70.8 [18.9] | 92.3 [7.3] | < 0.000 |
| Current AT pain VAS (0–10) | 4.8 [5.7] | 0 [0] | 0 [0] | < 0.001 |
| AT pain VAS in last 7 days (0–10) | 3.6 [6.3] | 0 [0] | 0 [0] | < 0.001 |
| Clinical assessment | ||||
| Clinical AT enthesitis (LEI) | 6 (45.5%) | 0 | 0 | 0.001 |
| Pain on palpation | 11 (100%) | 1 (9.1%) | 0 | < 0.001 |
| Tendon loading | ||||
| Pain on passive dorsiflexion | 4 (36.4%) | 0 | 0 | 0.011 |
| Pain on resisted plantarflexion | 5 (45.5%) | 0 | 0 | 0.003 |
| Performance-based measures | ||||
| Heel raise rep rate | 0.72 [0.67] | 1.24 [0.83] | 1.29 [0.42] | 0.005 |
| 10 MWT time (seconds) | 13.87 [5.63] | 12.48 [4.98] | 11.62 [2.12] | 0.086 |
PsA + AT = PsA with AT pain group, PsA-AT = PsA without AT pain group. Data presented as median [interquartile range]. p values based on Pearson’s chi squared statistical test, bold indicates p < 0.05 for significance.