Pharmacotherapy for diabetic peripheral neuropathy pain and quality of life: A systematic review

In the Views & Reviews article “Pharmacotherapy for diabetic peripheral neuropathy pain and quality of life: A systematic review” by J.M. Waldfogel et al.,¹ two studies (NCT01474772 and NCT01455415) were incorrectly referenced as unpublished, resulting in several errors. The second sentence in the Results under “Anticonvulsants vs placebo” should read “Our updated search identified 8 additional published RCTs as well as 2 unpublished RCTs with results.” In figure 1, the sources of the studies were corrected, the order changed slightly, and the overall I² value changed from 80.8% to 80.1% (see the corrected figure below). Tables e-2 and e-4 were updated to include the number of studies in updated search and number of studies with statistically insignificant results. The changes do not change the pooled effect size, conclusions, or strength of evidence. Corrected e-tables and e-references can be found with supplemental data at Neurology.org. The authors regret the errors.

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Figure 1 Meta-analysis of calculated standardized mean differences (SMD) for studies comparing pregabalin with placebo for pain outcome

*Studies from the Griebeler et al. systematic review. Both = studies retrieved as a publication and from ClinicalTrials.gov; CT.gov = studies retrieved from ClinicalTrials.gov; Published = studies retrieved as a publication; CI = confidence interval; NPS = Neuropathic Pain Scale; NRS = Numeric Rating Scale; VAS = Visual Analog Scale.

• © 2017 American Academy of Neurology