Table 3.
Intraclass-correlation coefficient (ICC), mean EQ-5D-3L utility and Visual Analogue Scale (VAS), and limits of agreement (LOA) between physiotherapist predicted and actual discharge health-related quality of life reports (n = 232).
| Measure | ICC (95% CI) |
Anticipated mean (95% CI) |
Actual mean (95% CI) |
Limits of agreement | P value* | |||
|---|---|---|---|---|---|---|---|---|
| Lower LOA (95% CI) |
Mean difference (95% CI) |
Upper LOA (95% CI) |
||||||
| Lower cognition | EQ-5D-3L utility | 0.50 (0.31, 0.65) |
0.669 (0.608, 0.729) |
0.757 (0.698, 0. 815) |
−0.611 (−0.553, −0.669) |
−0.088 (−0.030, −0.146) |
0.434 (0.493, 0.376) |
0.038∗ |
| EQ-5D-3L VAS | 0.49 (0.31, 0.64) |
75.1 (72.3, 78.0) |
77.5 (74.3, 80.8) |
−25.3 (−28.3, −22.2) |
2.40 (−0.677, 5.47) |
30.0 (27.0, 33.1) |
0.271 | |
| Better cognition | EQ-5D-3L utility | 0.75 (0.67, 0.81) |
0.765 (0.734, 0.795) |
0.748 (0.714, 0.782) |
−0.267 (−0.291, −0.244) |
0.017 (−0.006, 0.040) |
0.301 (0.278, 0.324) |
0.469 |
| EQ-5D-3L VAS | 0.75 (0.68, 0.82) |
79.1 (77.4, 80.7) |
79.0 (77.0, 81.1) |
−16.1 (−17.4, −14.8) |
−0.40 (−1.34, 1.26) |
16.0 (14.7, 17.3) |
0.976 | |
| Combined | EQ-5D-3L utility | 0.62 (0.53, 0.69) |
0.731 (0.702, 0.760) |
0.751 (0.721, 0 .781) |
−0.417 (−0.443, −0.391) |
−0.020 (−0.046, 0.006) |
0.377 (0.351, 0.403) |
0.351 |
| EQ-5D-3L VAS | 0.64 (0.56, 0.71) |
77.7 (76.2, 79.2) |
78.5 (76.8, 80.2) |
−20.1 (−21.5, −18.8) |
0.810 (−0.564, 2.19) |
21.8 (20.4, 23.1) |
0.482 | |
*P value < 0.05 indicated that a systematic difference exists (i.e., predicted discharge health-related quality of life was consistently higher or lower than the actual self-report at discharge).