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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: J Pain. 2010 Dec 13;12(3):340–351. doi: 10.1016/j.jpain.2010.07.011

Figure 2. Cluster profile across standardized factor scores.

Figure 2

* Values reported in this figure are standardized factor scores, consequently a value of 0 is equivalent to the group mean, a value of +1.0 represent 1 (SD) above the mean, and −1.0 represents 1 SD below the mean.

BU: butorphanol; MS: morphine; TS: temporal summation; PPT: pressure pain threshold; Th: threshold; Tol: tolerance; ischem.: ischemic