Table 3.

Correlations between EQ-VAS score and EQ-5D index, OHS score, OKS score and VV score

	EQ-5D index	OHS	OKS	Aberdeen VV score
EQ-VAS (Q1)	0.453 (0.450, 0.456)	0.379 (0.374, 0.385)	0.383 (0.378, 0.388)	−0.271 (−0.282, −0.259)
EQ-VAS (Q2)	0.613 (0.610, 0.616)	0.585 (0.580, 0.591)	0.559 (0.554, 0.564)	−0.317 (−0.331, −0.302)
Change in EQ-VAS (Q2 minus Q1)	0.328 (0.323, 0.332)	0.337 (0.329, 0.344)	0.298 (0.290, 0.305)	−0.130 (−0.147, −0.113)

Correlations and numbers in each of the columns relate to Q1, Q2 or Q2 minus Q1, as relevant to each row

95 % confidence interval in parentheses