Table 2.

Correlation between NPRS and PPT (session 1 and session 3)

Roller Density	Spearman Rho (Rho)	95% CI	P-Value
Hard Density	.41	.19–.81	.18
Moderate Density	.49	.12–.85	.11
Soft Density	.34	.51–.79	.28

NPRS= numeric pain rating scale; PPT= pressure pain threshold, p-value significant at p<.05