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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: J Pain. 2013 Oct 5;15(1):68–80. doi: 10.1016/j.jpain.2013.09.012

Figure 1.

Figure 1

Interaction for prediction of 5-day shoulder pain intensity

Key: PHQ = Patient Health Questionnaire for assessment of depressive symptoms (scale truncated for display purposes)