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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Ann Rheum Dis. 2012 Aug 21;72(6):901–907. doi: 10.1136/annrheumdis-2012-201505

Table 1.

Validation of the Cytokine Score

Cytokine Score Test sample Validation sample
Number of subjects 53 53
Mean Cytokine Score 0.72 0.97
SD error 0.56 0.93
R2 0.74 0.30

Comparison of the score’s performance in a test sample and a validation sample derived from the study population. Comparison of the test sample and its validation sample for the Cytokine Score. SD error denotes the mean square error between subjects; R2 denotes coefficient of determination.