Table 3.
Intraclass correlation coefficient (ICC), mean EQ-5D utility and Visual Analogue Scale (VAS), and limits of agreement (LOA) between anticipated and actual discharge health-related quality of life reports (n = 232)
| 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) | |||
Note: *a p-value < 0.05 would indicate that a systematic difference exists (i.e. anticipated discharge health-related quality of life was consistently higher or lower than the actual report at discharge).