Table 6.
Responsiveness of the EQ-5D over time, anchored by self-reported change in neck injury
| T 0 | T 1 | ∆ | SRM (95% CI) | ES (95% CI) | n | |
|---|---|---|---|---|---|---|
|
EQ-5D utility baseline to 4 months with anchor of neck injury change baseline to 4 months | ||||||
| Much worse |
0.7363 |
0.3253 |
−0.4110 |
−1.0516 (−2.4740, 0.4861) |
−1.9282 (−3.9172, 0.1913) |
3 |
| Worse |
0.4838 |
0.5172 |
0.0334 |
0.1408 (−0.2908, 0.5690) |
0.1077 (−0.4983, 0.7123) |
21 |
| Same |
0.5731 |
0.6784 |
0.1053 |
0.4001 (0.2303, 0.5686) |
0.4059 (0.1730, 0.6381) |
145 |
| Better |
0.6162 |
0.7634 |
0.1473 |
0.6028 (0.4999, 0.7051) |
0.7225 (0.5845, 0.8601) |
431 |
| Much better |
0.7306 |
0.8898 |
0.1592 |
0.7998 (0.6846, 0.9142) |
0.8748 (0.7267, 1.0224) |
385 |
|
EQ-5D utility 4 months to 8 months with anchor of neck injury change 4 months to 8 months | ||||||
| Much worse |
N/A |
N/A |
N/A |
N/A |
N/A |
0 |
| Worse |
0.7302 |
0.6754 |
−0.0549 |
−0.2346 (−0.5145, 0.0476) |
−0.2668 (−0.6599, 0.1276) |
50 |
| Same |
0.8060 |
0.8102 |
0.0042 |
0.0294 (−0.0886, 0.1474) |
0.0198 (−0.1471, 0.1866) |
276 |
| Better |
0.7417 |
0.7919 |
0.0502 |
0.2692 (0.1611, 0.3769) |
0.2698 (0.1191, 0.4203) |
342 |
| Much better |
0.8492 |
0.9310 |
0.0818 |
0.5271 (0.4092, 0.6442) |
0.5530 (0.3942, 0.7114) |
317 |
|
EQ-5D utility 8 months to 12 months with anchor of neck injury change 8 months to 12 months | ||||||
| Much worse |
0.6516 |
0.4704 |
−0.1812 |
−0.7190 (−1.6866, 0.3129) |
−0.4700 (−1.7162, 0.8041) |
5 |
| Worse |
0.7499 |
0.6484 |
−0.1016 |
−0.4224 (−0.6872, −0.1543) |
−0.4723 (−0.8372, −0.1054) |
59 |
| Same |
0.8474 |
0.8460 |
−0.0014 |
−0.0089 (−0.1122, 0.0944) |
−0.0070 (−0.1531, 0.1391) |
360 |
| Better |
0.7889 |
0.8377 |
0.0489 |
0.2847 (0.1634, 0.4055) |
0.2638 (0.0952, 0.4322) |
273 |
| Much better |
0.8868 |
0.9324 |
0.0456 |
0.3195 (0.2008, 0.4376) |
0.2957 (0.1313, 0.4598) |
288 |
|
EQ-5D utility: above three combined | ||||||
| Much worse |
0.6940 |
0.3979 |
−0.2961 |
−0.9696 (−1.8010, −0.0944) |
−0.8376 (−1.8512, 0.2030) |
8 |
| Worse |
0.6546 |
0.6136 |
−0.0410 |
−0.1728 (−0.3457, 0.0007) |
−0.1788 (−0.4222, 0.0650) |
130 |
| Same |
0.7422 |
0.7782 |
0.0360 |
0.2034 (0.1325, 0.2742) |
0.1661 (0.0667, 0.2654) |
781 |
| Better |
0.7156 |
0.7977 |
0.0821 |
0.3930 (0.3300, 0.4558) |
0.4226 (0.3359, 0.5092) |
1046 |
| Much better | 0.8222 | 0.9177 | 0.0955 | 0.5605 (0.4934, 0.6274) | 0.5815 (0.4915, 0.6714) | 990 |