Kaplan-Meier survival curve for recovery from whiplash-associated disorders (WAD) (n=680). Solid line: Estimated probability of WAD. Dashed lines: 95% Confidence Interval. Risk table showing number of patients at “risk” for recovery from WAD during the follow-up period.
Bohman et al. BMC Musculoskeletal Disorders 2012 13:264 doi:10.1186/1471-2474-13-264