Table 6 Responsiveness of the EQ-5D over time, anchored by self-reported change in neck injury
From: Properties of patient-reported outcome measures in individuals following acute whiplash injury
T0 | T1 | ∆ | 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 |