Table 3.

Mean EQ-5D-5L indexes in the three groups

	Mean (95% CI)	Difference (95% CI; P-value)
		vs Group 1	vs Group 2
Japanese value set
Group 1	0.796 (0.776, 0.817)	–	–
Group 2	0.760 (0.740, 0.781)	− 0.036 (− 0.065, − 0.007; 0.015)	–
Group 3	0.789 (0.769, 0.808)	− 0.008 (− 0.036, 0.021; 0.597)	0.029 (0.000, 0.057; 0.049)
England value set
Group 1	0.821 (0.797, 0.844)	–	–
Group 2	0.791 (0.768, 0.814)	− 0.030 (− 0.063, 0.003; 0.071)	–
Group 3	0.822 (0.800, 0.844)	0.001 (− 0.031, 0.033; 0.948)	0.031 (− 0.001, 0.063; 0.056)
US value set
Group 1	0.783 (0.754, 0.813)	–	–
Group 2	0.744 (0.715, 0.773)	− 0.039 (− 0.081, 0.002; 0.061)	–
Group 3	0.779 (0.751, 0.807)	− 0.005 (− 0.045, 0.036; 0.822)	0.035 (− 0.006, 0.075; 0.091)

Groups 1, 2, and 3 comprised the two questionnaire types having the EQ-5D-5L in the first, second, and last places, respectively

CI, confidence interval; US, the United States