International journal of technology assessment in health care
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Int J Technol Assess Health Care · Jul 2013
Review Meta AnalysisEpidural steroid injection therapy for low back pain: a meta-analysis.
The aim of this study was to systematically assess the long-term (≥ 6 months) benefits of epidural steroid injection therapies for patients with low back pain. ⋯ A long-term benefit of epidural steroid injections for low back pain was not suggested at 6 months or longer. Introduction of selection bias in the majority of injection studies seems apparent. Baseline adjustment is essential when we evaluate pain as a main outcome of injection therapy.