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. 2017 May 16;18:194. doi: 10.1186/s12891-017-1557-6

Fig. 1.

Fig. 1

Schematic representation of the multivariable linear regression analysis for pain intensity (dependent variable) at the 8 different body sites. Rp2 = partial r squared; R2 = total r squared explained by the model; −--- negative significant association; ___ positive significant association