| Characteristics | AxSpA cases | AS cases |
|---|---|---|
| (n=125) | (n=90) | |
| Baseline CRP (mg/L), Reference range <6.3 mg/L | 16.2±22.7 | 13.6±14.8 |
| CRP at time of echo (mg/L), Reference range <6.3 mg/L | 5.5±6.5 | 6.12±6.8 |
| Baseline disease activity (ASDAS – CRP) | 2.97±1.3 | 3.09±1.4 |
| Disease activity at time of echo (ASDAS – CRP) | 2.0±0.9 | 1.99±0.9 |
| NSAID therapy | 57% | 46% |
| TNFi therapy | 52% | 56% |