[Retracted] Effect of Intraarticular Injection of Platelet-Rich Plasma on Knee Osteoarthritis: A Multicenter Retrospective Clinical Study

Table 3

Clinical factors associated with the VAS score in the PRP group.

Clinical parameters	OR (95% CI)	value
Male (versus female)	1.12 (0.95–1.26)	0.089
Age (per year increase)	1.56 (0.69–2.47)	0.124
Knees involved	1.12 (0.89–1.42)	0.178
Platelet count	1.41 (0.78–1.98)	0.081
WBC count	1.21 (0.78–1.56)	0.074
RBC count	1.25 (0.56–1.79)	0.091
Platelet count^#	1.56 (1.23–1.76)	0.012
WBC count^#	—	—
RBC count^#	—	—

Whole blood count. ^#PRP.