Figure 6From: Intradiscal injection of simvastatin retards progression of intervertebral disc degeneration induced by stab injuryHistological scores of different experimental groups at two weeks after drug injection. Discs in the treatment groups were injected with either 2 μL of gel alone or gel loaded with simvastatin (SIM; 5 mg/mL) at four weeks after disc stab with 21-G needle. Changes in histological appearance were assessed semi-quantitatively. * P < 0.05 and ** P < 0.01 when compared with intact control group;+ P < 0.05 when compared with gel-alone-treated group.Back to article page