Table 7 Responsiveness of the SF-6D 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 | |
|---|---|---|---|---|---|---|
SF-6D baseline to 4 months with anchor of neck injury change baseline to 4 months | ||||||
Much worse | 0.6800 | 0.6963 | 0.0163 | 0.1023 (−1.0446, 1.2261) | 0.2037 (−1.4145, 1.7977) | 3 |
Worse | 0.6032 | 0.6165 | 0.0132 | 0.0836 (−0.3459, 0.5110) | 0.1063 (−0.4997, 0.7109) | 21 |
Same | 0.6335 | 0.7019 | 0.0683 | 0.5939 (0.4164, 0.7696) | 0.4961 (0.2620, 0.7294) | 145 |
Better | 0.6252 | 0.7628 | 0.1376 | 0.9996 (0.8836, 1.1148) | 1.1166 (0.9728, 1.2599) | 431 |
Much better | 0.7085 | 0.8343 | 0.1257 | 0.8401 (0.7235, 0.9559) | 0.9636 (0.8141, 1.1126) | 385 |
SF-6D 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 | 0.7413 | 0.6979 | −0.0434 | −0.3673 (−0.6521, −0.0790) | 0.1433 (−0.2496, 0.5354) | 50 |
Same | 0.7687 | 0.7836 | 0.0149 | 0.1355 (0.0169, 0.2539) | 0.1401 (−0.0270, 0.3071) | 276 |
Better | 0.7498 | 0.7872 | 0.0374 | 0.3429 (0.2336, 0.4517) | 0.1243 (−0.0258, 0.2743) | 342 |
Much better | 0.8237 | 0.8619 | 0.0382 | 0.3385 (0.2250, 0.4514) | 0.1129 (−0.0429, 0.2687 | 317 |
SF-6D 8 months to 12 months with anchor of neck injury change 8 months to 12 months | ||||||
Much worse | 0.6425 | 0.6035 | −0.0390 | −0.2883 (−1.1694, 0.6256) | −0.3175 (−1.5569, 0.9411) | 5 |
Worse | 0.7387 | 0.6905 | −0.0482 | −0.3272 (−0.5879, −0.0639) | −0.3707 (−0.7339,-0.0059) | 59 |
Same | 0.8078 | 0.8086 | 0.0008 | 0.0080 (−0.0953, 0.1113) | 0.0059 (−0.1402, 0.1520) | 360 |
Better | 0.7804 | 0.7983 | 0.0178 | 0.1757 (0.0560, 0.2951) | 0.1461 (−0.0219, 0.3140) | 273 |
Much better | 0.8435 | 0.8634 | 0.0199 | 0.2027 (0.0859, 0.3192) | 0.1802 (0.0165, 0.3438) | 288 |
SF-6D: above three combined | ||||||
Much worse | 0.6613 | 0.6499 | −0.0114 | −0.0789 (−0.7703, 0.6180) | −0.1028 (−1.0817, 0.8797) | 8 |
Worse | 0.6944 | 0.6683 | −0.0261 | −0.1885 (−0.3616, −0.0147) | −0.1941 (−0.4376, 0.0498) | 130 |
Same | 0.7367 | 0.7647 | 0.0280 | 0.2627 (0.1913, 0.3340) | 0.2039 (0.1044, 0.3033) | 781 |
Better | 0.7185 | 0.7828 | 0.0643 | 0.5360 (0.4711, 0.6007) | 0.5215 (0.4343, 0.6086) | 1046 |
Much better | 0.7919 | 0.8532 | 0.0613 | 0.4907 (0.4247, 0.5565) | 0.5124 (0.4228, 0.6019) | 990 |