Table 5.

There was a significant decrease in all oxidant-an-tioxidant biochemical parameters in the PR group where PRP was administered in comparison with the other groups

Variable	Group (I/J)	Mean difference	p
Hydroxyproline	Control/PR	497.17	0.010
8-Isoprostane	Control/PR	4.97	0.010
8-Hydroxy-2′-deoxyguanosine	Control/PR	55.24	0.010
Malondialdehyde	Control/PR	39.77	0.010
Glutathione	Control/PR	13.81	0.010
Catalase	Control/PR	5.68	0.010

Tukey multiple comparisons test, p<0.05