Mechanical Needling with Sterile Water versus Steroids Injection for Facet Joint Syndrome: A Retrospective Observational Study

Figure 4

The comparison within group (a) and between groups (b) of walking distance at 6 time points as preinjection (T0), immediately (T1), one week (T2), 1 month (T3), 3 months (T4), and 6 months (T5) after injection.

(a)

(b)