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. Author manuscript; available in PMC: 2013 Jan 15.
Published in final edited form as: Spine (Phila Pa 1976). 2012 Jan 15;37(2):140–149. doi: 10.1097/BRS.0b013e3182276b2b

Figure 2.

Figure 2

This graph demonstrates that patients with a longer duration of symptoms improved less with surgery and non-operative treatment than those with a shorter duration of symptoms but had a greater TE (minimally adjusted analysis).