Table 7
Studies suggesting that compensation impacts WAD prognosis
| First Author | Year Published | Study Design | Summary of Findings | Level of Evidence |
|---|---|---|---|---|
| Schrader | 1996 | Retrospective cohort questionnaire | Expectation of disability, a family history, and attribution of pre-existing symptoms to the trauma may be more important determinants for the evolution of the late whiplash syndrome | C |
| Obelieniene | 1999 | Prospective controlled inception cohort study | Symptoms of acute whiplash injury are self-limiting | C |
| Cassidy | 2000 | Population-based cohort | The elimination of compensation for pain and suffering is associated with a decreased incidence and improved prognosis of whiplash injury | C |
| Rydman | 2018 | Cohort | Non-recovery rate was 51% in non-compensated group and 73% in compensated group | C |
Level of evidence: C; Strength of conclusion: 3