Table 4.

Final model for predicting an unfavorable response to conservative therapy for non-chronic plantar fasciitis (n=69)

Risk Factor*	Regression Coefficient	Odds Ratio	95% Confidence Interval	p value
Intercept	−2.240	--	--	.001
Ankle dorsiflexion < neg. 5°	1.368	3.9	1.2– 12.5	.021
Heel valgus in relaxed stance	1.395	4.0	1.3 – 12.2	.014
AM pain score ≤ 7	1.346	3.8	1.2– 12.0	.021

Ordinal pain score (1–10)

^*observations at baseline (patient’s initial presentation); biomechanical observations refer to the ipsilateral extremity as the study foot

The area under the ROC curve (AUC) for this model = .769. Hosmer-Lemeshow goodness of fit test = 1.836, p = .934.