Table 2.

Between-Group Comparison of VAS Scores^a

	PRP Group	Corticosteroid Group	Mean Difference (95% CI)	P
Before treatment	66.0 ± 14.6	64.1 ± 21.1	1.94 (–11.45 to 15.32)	.76
1-mo follow-up	30.3 ± 20.6	34.4 ± 27.6	–4.04 (–22.00 to 13.92)	.64
6-mo follow-up	14.5 ± 15.4	37.5 ± 24.9	–23.03 (–38.37 to –7.69)	<.01

^a Data are reported as mean ± SD unless otherwise indicated. Bolded P value indicates statistical significance. PRP, platelet-rich plasma; VAS, visual analog scale.