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Table 4 Comparison of mean growth factor concentrations in the fresh autologous PRP, post-freeze PRP

From: Efficacy and safety of platelet-rich plasma as an adjunct therapy to split thickness skin graft in burn patients with granulating raw wounds: a prospective, randomized, double-blind study—study protocol

Growth factor

Fresh autologous PRP (pg/mL)

Post-freeze PRP (pg/mL)

p-value*

PDGF-BB

78.95 ± 49.42

218.90 ± 30

0.0001