Efficacy and Safety of Duloxetine in Patients with Chronic Low Back Pain Who Used versus Did Not Use Concomitant Nonsteroidal
Anti-Inflammatory Drugs or Acetaminophen: A Post Hoc Pooled Analysis of 2 Randomized, Placebo-Controlled Trials
Figure 1
Estimated least-squares (LS) mean changes from baseline and standard errors in BPI average pain severity in patients who concomitantly used or did not use NSAID or APAP.