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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: J Thorac Oncol. 2010 Mar;5(3):326–332. doi: 10.1097/JTO.0b013e3181ce70e8

Table 3.

Median Survival (Months) by PSM Groups

95% Confidence Interval 5 Year Survival Rate
Median Lower Upper Log-rank p-value
Overall population 14.8 13.4 18.7 27.8%
PSM<60 (Non-pessimistic) 19.2 14.8 23.5 0.0105 32.9%
60≤PSM (Pessimistic) 13.1 10.9 14.8 21.1%