Predictors of response to foot orthoses and corticosteroid injection for plantar heel pain

Table 3 Significant predictors based on univariable analyses for corticosteroid injection at weeks 4 and 12

Dependent variable	Predictor variable	Pearson’s r	P-value^a
Week 4^b
Foot function	FHSQ footwear subscale	−0.45	0.001
	Baseline pain (measured using a VAS)	−0.32	0.021
	FACS	−0.31	0.031
Week 12
Foot pain	Weightbearing hours	−0.33	0.020
Foot function	FACS	−0.42	0.002
	Baseline pain (measured using a VAS)	−0.39	0.005
	FHSQ footwear subscale	−0.29	0.043
	First-step pain	−0.24	0.094
First-step pain	Weightbearing hours	0.34	0.017

Abbreviations: FHSQ Foot Health Status Questionnaire, FACS Fear-Avoidance Components Scale, VAS visual analogue scale
^aThe alpha level to include predictors was 0.10
^bThere were no significant predictors at week 4 for foot pain and first-step pain

ISSN: 1757-1146