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. 2009 Nov 29;69(5):862–867. doi: 10.1136/ard.2009.112714

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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions

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Evaluation of the extent of the pathological changes in subchondral bone architecture (SCBO), the presence/absence of subchondral bone plate (SCPL) and of synovial joint space (JTSP). The changes in these three variables were recorded on an 11-point rating scale (range 0–100 with 10 unit increases). Top series: IP joint going through ‘E’ phase. Bottom series: remodelling IP joint.