Figure 1.
(a–d) Trajectories of work disability among 8558 individuals with decompression surgery 2008–2010 a, matched comparison group 1 comprising individuals with dorsopathies, but no surgery 2008–2010 b, matched comparison group 2 including individuals in the general population without diagnosed dorsopathies 2001–2013 c and 3306 individuals following trajectory A in (a) during the first year after surgery (d)a a The value for T0 was calculated as the mean value for T-1 and T1 and inserted here for pedagogic purposes.