Fig. 1From: Incidence of total knee replacement subsequent to intra-articular injection of the anti-inflammatory compound LMWF-5A versus saline: a long-term follow-up study to a randomized controlled trialKaplan-Meier survival curves for total knee replacement. a Osteoarthritis severity (Kellgren-Lawrence grade 3 vs. 4); (b). Responders to treatment (≥20% improvement in pain by week 20); (c). LMWF-5A vs. saline in patients with severe osteoarthritis (Kellgren-Lawrence grade 4); (d). LMWF-5A vs. saline in responders to treatment with severe osteoarthritisBack to article page