BioMed Research International

Research Article

Efficacy of Platelet-Rich Plasma in Retarding Intervertebral Disc Degeneration: A Meta-Analysis of Animal Studies

Table 2

Efficacy of PRP injection in retarding intervertebral disc degeneration.
OutcomesNumber of studiesSMD95% CI valueHeterogeneity value
Disc height71.86, 3.470.00064.3%0.010
T2 weighted MRI5, 0.00068.9%0.012
Histological degeneration grade3, 0.0000.0%0.419
Collagen II expression2, 78365.210.34893.7%0.000
SMD: standardized mean difference; 95% CI: 95% confidence interval.