Table 7: Results of mean and standard deviation of CPR levels of different groups in the follow-up.

CPR levels	HA	PRP	HA+PRP	P values
Baseline	2.6 ± 1.7	3.3 ± 2.3	2.6 ± 1.6	0.0013
+30	4.7 ± 1.7	3.6 ± 1.3	3.8 ± 1.4	0.0152
+90	2.6 ± 1.4	4.4 ± 1.4	4.2 ± 1.6	<0.0001
+180	6.0 ± 2.3	3.1 ± 1.6	3.4 ± 1.6	<0.0001
+360	6.3 ± 2.3	2.8 ± 1.4	3.0 ± 1.4	<0.0001