From: Relapse in resected lung cancer revisited: does intensified follow up really matter? A prospective study
disease free interval (months)
mean
SE
95% CI
median
overall
34.4
3.2
28.0-40.77
19.0
6.31
6.62-31.38
locrelapse-free
55
3.3
48.49-61.52
*
dist. relapse-free
41.6
3.5
34.83-48.42