Fig. 3
From: The use of lumbar epidural injection of platelet lysate for treatment of radicular pain
NPS average change scores. Numeric pain score (NPS) average change from baseline to post-treatment with standard deviation. Number of patients reporting at each time point: 1-month (N = 139); 3-month (N = 192); 6-month (N = 181); 12-month (N = 174); 18-month (N = 143); 24-month (N = 126). Statistical comparisons are to baseline. **p < .0001