Fig. 5From: The use of lumbar epidural injection of platelet lysate for treatment of radicular painFRI average change scores. Functional rating index (FRI) averaged change in scores from baseline at each post-treatment time point with standard deviation. The number of patients reporting at each time point: 1-month (N = 111); 3-month (N = 144), 6-month (N = 146), 12-month (N = 136), 18-month (N = 114), 24-month (N = 100). **p < .0001Back to article page