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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: J Pain. 2011 Apr 15;12(7):792–800. doi: 10.1016/j.jpain.2011.01.008

Figure 3. Evidence of a shift in the laterality of pain during the transition from SBP to CBP.

Figure 3

We characterized pain location based on the body regions that patients had shaded in with pencil on the MPQ form. (a) The body was divided into six sections on the left and right side. (b) We conducted separate between-groups comparisons at each of the twelve body sites, and found that the incidence of reported pain did not differ between SBP and CBP groups for any of the regions. (c) Pain radiating down the legs and/or buttocks (i.e. pain in ≥1 of regions 2–5) was more frequently unilateral in SBP patients, and more bilateral among CBP patients. Bars represent mean ± S.E.M. (n=37–40). *** p<0.001