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Correlation between US findings and LEI and SPARCC Enthesitis Index.
| US parameters | LEI | SPARCC |
|---|---|---|
| Hypo-echogenicity and tendon thickness | r = 0.81** | r = 0.86** |
| Calcification | r = 0.45* | r = 0.22 |
| Enthesophytes | r = 0.09 | r = 0.05 |
| Erosions | r = 0.05 | r = 0.12 |
| Power Doppler | r = 0.26 | r = −5.5e-03 |
LEI: Leeds Enthesitis Index; SPARCC: Spondyloarthritis Research Consortium of Canada; r: Spearmans Correlation Coefficient;
p < 0.05;
p < 0.01.
