| Measure | ICC | Anticipated mean | Actual mean | Limits of agreement | p-value* | ||
---|---|---|---|---|---|---|---|---|
(95% CI) | (95% CI) | (95% CI) | Lower LOA | Mean difference | Upper LOA | |||
(95% CI) | (95% CI) | (95% CI) | ||||||
Lower cognition | EQ-5D utility | 0.72 | 0.747 | 0.757 | −0.506 | 0.009 | 0.524 | 0.744 |
(0.56, 0. 82) | (0.684, 0.811) | (0.698, 0.815) | (−0.563, -0.448) | (−0.048, 0.067) | (0.467, 0.582) | |||
EQ-5D VAS | 0.63 | 80.5 | 77.5 | −31.3 | −3.0 | 25.3 | 0.063 | |
(0.43,0.76) | (77.6,83.4) | (74.3, 80.8) | (−34.4,-28.1) | (−6.1,0.2) | (22.2, 28.4) | |||
Better cognition | EQ-5D utility | 0.85 | 0.764 | 0.748 | −0.332 | −0.016 | 0.300 | 0.211 |
(0.79, 0.89) | (0.728, 0.800) | (0.714, 0.782) | (−0.358, -0.307) | (−0.104, 0.091) | (0.274,0.325) | |||
EQ-5D VAS | 0.86 | 80.9 | 79.0 | −19.3 | −1.9 | 15.5 | 0.010* | |
(0.81,0.90) | (78.8, 83.0) | (77.0, 81.1) | (−20.7, -17.9) | (−3.3, -0.4) | (14.1, 17.0) | |||
Combined | EQ-5D utility | 0.79 | 0.758 | 0.751 | −0.405 | −0.007 | 0.390 | 0.576 |
(0.73, 0.84) | (0.726, 0.790) | (0.721, 0.781) | (−0.431, -0.379) | (−0.033, 0.019) | (0.364, 0.416) | |||
EQ-5D VAS | 0.78 | 80.8 | 78.5 | −24.1 | −2.3 | 19.6 | 0.002* | |
 |  | (0.71,0.83) | (79.1,82.4) | (76.8, 80.2) | (−25.5, -22.7) | (−3.7, -0.8) | (18.1, 21.0) |