Table 2.

Associations between pain scales and everyday function.

Pain scale	Everyday function scale	Sample size	Pearson correlation coefficient			Age- and sex-adjusted coefficient of determination	Spearman correlation coefficient
			r	p value	r 2		rho	p value
						R 2
SF36	Modified Rankin Scale (mRS)	623	0.318	<0.001	0.101	0.102	0.309	<0.001
EQ-5D-3L		8,966	0.340	<0.001	0.116	0.117	0.337	<0.001
SF36	Barthel index	623	−0.320	<0.001	0.102	0.102	−0.340	<0.001
EQ-5D-3L		5,499	−0.280	<0.001	0.078	0.081	−0.316	<0.001
EQ-5D-5L		1,135	−0.018	0.545	<0.001	0.001	−0.037	0.217
0–10 NPRS		1,594	−0.097	<0.001	0.009	0.013	−0.115	<0.001