The Optimal Timing of Platelet-Rich Plasma (PRP) Injection for Nerve Lesion Recovery: A Preliminary Study

Table 3

Vacuole in cells on histopathologic analysis on each treatment groups.

	Treatment group (N)	Mean ± SD (%)	value
Endoneurium vacuoles in mean percentage area of 5 nerve bundle fragments	Control (7)	15.7 ± 9.5 (%)	0.001^a
	Group 1 (7)	33.6 ± 29 (%)
	Group 2 (7)	56.6 ± 11.6 (%)
	Group 3 (7)	39.6 ± 25.3 (%)
	Group 4 (7)	5.2 ± 1.6 (%)

^aKruskal–Wallis.