Fig. 3From: MicroRNA-223 demonstrated experimentally in exosome-like vesicles is associated with decreased risk of persistent pain after lumbar disc herniationFold expression of a miR-223, b miR-760 and c miR-145 in cell-free medium frozen after nucleus pulposus (NP) incubation for 5 min or 3 h. Overall linear mixed model, beta = 0.65, **p < 0.001, 95% CI (0.28, 1.01)Back to article page