Table 3.

Correlations between changes in pain (VAS) and functional outcomes of specific interest after last LDRT session.

Data set	Change between	Correlation	Spearman's rho [95% CI]	p–value
Lateral epicondylitis	0–2 months	Handgrip flexion vs. pain at rest	−0.5 [−0.71, −0.21]	0.009
	0–2 months	Handgrip flexion vs. pain during activity	−0.64 [−0.8, −0.4]	<0.001
	0–6 months	Handgrip flexion vs. pain at rest	−0.3 [−0.59, 0.05]	0.138
	0–6 months	Handgrip flexion vs. pain during activity	−0.03 [−0.38, 0.32]	0.842
	0–12 months	Handgrip flexion vs. pain at rest	−0.54 [−0.76, −0.22]	0.01
	0–12 months	Handgrip flexion vs. pain during activity	−0.39 [−0.66, −0.02]	0.086
	0–2 months	Handgrip extension vs. pain at rest	−0.46 [−0.68, −0.16]	0.011
	0–2 months	Handgrip extension vs. pain during activity	−0.7 [−0.84, −0.49]	<0.001
	0–6 months	Handgrip extension vs. pain at rest	−0.38 [−0.64, −0.03]	0.054
	0–6 months	Handgrip extension vs. pain during activity	−0.33 [−0.61, 0.02]	0.333
	0–12 months	Handgrip extension vs. pain at rest	−0.47 [−0.71, −0.13]	0.02
	0–12 months	Handgrip extension vs. pain during activity	−0.36 [−0.64, 0.02]	0.092
Medial epicondylitis	0–2 months	Handgrip flexion vs. pain at rest	−0.35 [−0.85, 0.47]	0.649
	0–2 months	Handgrip flexion vs. pain during activity	−0.35 [−0.85, 0.47]	0.239
	0–6 months	Handgrip flexion vs. pain at rest	0.15 [−0.68, 0.81]	0.607
	0–6 months	Handgrip flexion vs. pain during activity	−0.65 [−0.94, 0.21]	0.037
	0–12 months	Handgrip flexion vs. pain at rest	−0.32 [−0.9, 0.66]	0.392
	0–12 months	Handgrip flexion vs. pain during activity	−0.55 [−0.94, 0.47]	0.58
Finger osteoarthritis	0–2 months	Handgrip vs. pain at rest	−0.28 [−0.46, −0.09]	0.031
	0–2 months	Handgrip vs. pain during activity	−0.36 [−0.52, −0.18]	0.011
	0–6 months	Handgrip vs. pain at rest	−0.24 [−0.43, −0.03]	0.049
	0–6 months	Handgrip vs. pain during activity	−0.42 [−0.58, −0.22]	0.001
	0–12 months	Handgrip vs. pain at rest	−0.35 [−0.53, −0.14]	0.002
	0–12 months	Handgrip vs. pain during activity	−0.48 [−0.63, −0.28]	<0.001
	0–2 months	Pinch grip vs. pain at rest	−0.3 [−0.51, −0.05]	0.032
	0–2 months	Pinch grip vs. pain during activity	−0.36 [−0.56, −0.12]	0.01
	0–6 months	Pinch grip vs. pain at rest	−0.32 [−0.54, −0.05]	0.031
	0–6 months	Pinch grip vs. pain during activity	−0.31 [−0.54, −0.04]	0.036
	0–12 months	Pinch grip vs. pain at rest	−0.31 [−0.54, −0.03]	0.054
	0–12 months	Pinch grip vs. pain during activity	−0.29 [−0.52, −0.01]	0.1
Plantar fasciitis	0–2 months	Walking test vs. pain at rest	0.36 [0.09, 0.58]	0.054
	0–2 months	Walking test vs. pain during activity	0.49 [0.25, 0.68]	0.012
	0–6 months	Walking test vs. pain at rest	0.4 [0.12, 0.63]	0.011
	0–6 months	Walking test vs. pain during activity	0.41 [0.13, 0.63]	0.009
	0–12 months	Walking test vs. pain at rest	0.31 [−0.01, 0.58]	0.239
	0–12 months	Walking test vs. pain during activity	0.43 [0.13, 0.66]	0.049

P-values were adjusted for multiple comparisons using the Bonferroni-Holm method. Rho=Spearman's rank correlation coefficient.