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Numerical rating scale (NRS) response at 3, 5, and 10 minutes post- to intra-articular injection. (A) Pain NRS score pre- and postlidocaine vs steroid-only control injection in RCT group (mean ± 95% CI). (B) Pain NRS score pre- and postlidocaine, grouped by painDETECT low/high in first patient cohort (RCT group) (mean ± 95% CI). (C) Pain NRS score pre- and postlidocaine, grouped by painDETECT low/high in second validation cohort (PUMIA group).
