Fig. 2From: Pressure pain threshold and temporal summation in adults with episodic and persistent low back pain trajectories: a secondary analysis at baseline and after lumbar manipulation or shamAdjusted marginal means and 95% confidence intervals for baseline pressure pain threshold and temporal summation by low back pain trajectory. Abbreviations: LBP = low back pain, NRS = numerical rating scale, PPT = pressure pain threshold, TS = temporal summationBack to article page