The researchers found that ESIs probably reduced short-term pain (SRD, −24.0 percent; number needed to treat [NNT], 4) and disability (SRD, −16.0 percent; NNT, 6) and possibly reduced long ...
and all low and moderate certainty evidence suggests no meaningful relief for either axial pain (in the lower back) or radicular pain (radiating from the spine to the arms or legs) for spine ...
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