Table 2 Response rates to each measure over time; % of non-missing data by questionnaire and time point (sample size of 3,851 in all cases)
From: Properties of patient-reported outcome measures in individuals following acute whiplash injury
Baseline | 4 months | 8 months | 12 months | Complete responders (all time points) | |
|---|---|---|---|---|---|
EQ-5D (utility) | 89.1% | 78.4% | 70.2% | 69.2% | 49.7% |
EQ-5D (VAS) | 87.3% | 76.5% | 68.9% | 67.7% | 46.9% |
SF-6D* | 78.6% | 63.7% | 55.5% | 51.3% | 30.3% |
SF-12 (PCS) | 79.9% | 62.5% | 55.1% | 50.4% | 30.0% |
SF-12 (MCS) | 79.9% | 62.5% | 55.1% | 50.4% | 30.0% |
NDI | N/A | 76.9% | 69.4% | 68.5% | 51.9% |