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. Author manuscript; available in PMC: 2011 Oct 24.
Published in final edited form as: Arthritis Rheum. 2009 Apr 15;61(4):527–534. doi: 10.1002/art.24163

Figure 1. Final cluster centers for Sample 1 (a) and Sample 2 (b) set.

Figure 1

A. Final cluster centers (mean standardized scores) for symptom domains by cluster group for Sample 1 (n=1071). B. Final cluster centers for symptom domains by cluster group for Sample 2 (n=1111).