Table IV.

Association between pain measurements and other variables.

Dependent variable	R2	Analysis of variance	Model	B	β	t-value	P-value
Pain intensity	0.28	F=9.17, P<0.01	Constant	0.47	–	0.61	0.54
over the last month			Neuropathy score	0.08	0.24	2.43	0.02
			Duration of DM	0.08	0.11	1.30	0.20
			Number of painful sites	0.22	0.28	2.90	<0.01
			Sex	0.38	0.08	0.95	0.34
			Statin therapy	−0.31	−0.07	−0.80	0.43
Number of	0.36	F=13.27, P<0.01	Constant	2.69	–	2.72	0.01
painful sites			Neuropathy score	0.24	0.56	6.87	<0.01
			Duration of DM	0.07	0.08	0.97	0.33
			Anxiety score	0.03	0.04	0.56	0.58
			Sex	−0.04	−0.01	−0.09	0.93
			Statin therapy	−0.47	−0.08	−1.00	0.32

P-values were determined by multiple linear regression analysis. Statistically significant values (P<0.05) are emboldened. R², squared coefficient of determination; B, unstandardized coefficient; β, standardized coefficient; F, F-statistic; DM, diabetes mellitus.