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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: J Thorac Oncol. 2017 Aug 9;12(10):1489–1495. doi: 10.1016/j.jtho.2017.07.020

Table 3.

Change in eligibility criteria over time (median ± IQR)

Year P value
1986–1995 1996–2005 2006–2016
Surgery 9 (7–23) 8 (3–13) N/A* 0.50
Radiation Therapy 23 (21–24) 18 (13–20) 18 (11–27) 0.35
Medical Therapy 17 (15–19) 20 (17–24) 28 (25–31) <0.001

IQR, interquartile range

*

There were no trials with surgical therapy as the primary research question in the 2006–2016 period.