Table 4.

Estimated Pearson correlation coefficients between diabetic foot ulcer scale-short form subscale scores and both log(ulcer area +0.01) and EuroQol 5 dimension 5 level

Correlates	log(ulcer area +0.01)*			EQ-5D-5L VAS
DFS-SF subscale	Est.	95% CI	P value	Est.	95% CI	P value
Leisure	−0.48	–0.66 to 0.25	<0.0001***	0.50	0.23 to 0.77	0.0002***
Physical health	−0.48	–0.66 to 0.26	<0.0001***	0.64	0.44 to 0.84	<0.0001***
Dependence	−0.54	–0.71 to 0.33	<0.0001***	0.58	0.36 to 0.81	<0.0001***
Negative emotion	−0.64	–0.80 to 0.42	<0.0001***	0.38	0.04 to 0.72	0.03*
Worried about ulcers	−0.54	–0.71 to 0.32	<0.0001***	0.62	0.38 to 0.86	<0.0001***
Bothered by ulcer care	−0.46	–0.63 to 0.24	0.0001***	0.36	0.04 to 0.69	0.03*

*Area in cm².

DFS-SF, Diabetic Foot Ulcer Scale-Short Form; EQ-5D-5L, EuroQol 5 Dimension 5 Level; VAS, visual analogue scale.