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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Eur J Pain. 2012 Aug 17;17(1):67–74. doi: 10.1002/j.1532-2149.2012.00190.x

Table 5.

Cluster Analysis on TSSP Response Data Using Calculation Formula-1 (N = 310)

Response Group N % Mean (SD) Min - Max
Cluster 1 (TSSP) 89 28.7 24.8 (11.8) 14.0 – 75.0
Cluster 2 (no change) 182 58.7 3.6 (4.5) −5.0 – 12.0
Cluster 3 (TDSP) 39 12.6 −19.3 (12.8) −70.0 – −8.0