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. Author manuscript; available in PMC: 2009 Aug 1.
Published in final edited form as: Anesthesiology. 2008 Aug;109(2):279–288. doi: 10.1097/ALN.0b013e31817f4c7c

Figure 4.

Figure 4

Bar graph demonstrating the percentage of patients with a successful treatment outcome at various time points. A positive outcome is defined as a ≥ 50% reduction in numerical pain score, a positive global perceived effect, and either a 10-point decrease in Oswestry disability index score or a 4-point decrease coupled with a reduction in medication usage.

Footnote: TX- treatment