Table 1. von Frey Testing Analyses and Descriptive Statistics.

Von Frcy value, g (mean ± SD)	CCI-ION		Naïve
Baseline†	18.72 ± 0		18.72 ± 0
Week 1	16.50 ± 5.04		18.72 ± 0
Week 2	18.26 ± 1.10		18.72 ± 0
Week 3	9.48 ± 6.19		18.72 ± 0
Week 4	2.51 ± 0.88		18.72 ± 0
Week 5	2.67 ± 1.44		18.72 ± 0
One-way ANOVA	df	F value	P value
Week 1	1,19	2.15	.16 (ns)
Week 2	1,19	1.91	.18 (ns)
Week 3	1,19	24.60	< .001 ***
Week 4	1,19	3777.19	< .001 ***
Week 5	1,19	1365.54	< .001 ***

^*Significant at P < .05.

^**Significant at P < .0.

^***Significant at P < .001.

^†Average of weeks −2 and −1.

CCI-ION = chronic constriction injury of the infraorbital nerve; n = 21 (11 naïve, 10 CCI-ION); ipsilateral values; ANOVA = analysis of variance; ns = not significant.