Review Article

Clinical Efficacy of Epidural Injections of Local Anesthetic Alone or Combined with Steroid for Neck Pain: A Systematic Review and Meta-Analysis

Figure 2

Change in functional level using Neck Disability Index (NDI).
(a) Change in functional level using Neck Disability Index (NDI) from baseline at 6 months in patients treated with lidocaine
(b) Change in functional level using Neck Disability Index (NDI) from baseline at 6 months in patients treated with