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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: J Pain Symptom Manage. 2014 Dec 17;49(6):981–994. doi: 10.1016/j.jpainsymman.2014.11.292

Fig. 2.

Fig. 2

Plots of the estimated marginal means over time among the pain groups for the mixed effects model for grip strength (A), flexion (B), abduction (C), internal rotation (D), and external rotation (E). Statistically significant findings: Flexion - group effect: P = 0.03; time effect: P < 0.001; Group × Time interaction: P = 0.02; Abduction - group effect: P = 0.007; time effect: P < 0.001; Group × Time interaction: P < 0.001; External rotation - time effect: P < 0.001; Group × Time effect: P = 0.03. kg = kilograms.