"","var","level","primary_median(Q1,Q3)","primary_pval","mets_median(Q1,Q3)","mets_pval","delta_median(Q1,Q3)","delta_pval"
"1","age","age<median","15 (5, 23.75)","0.121","8.75 (5, 10)","0.319","-5 (-15, 0)","0.253"
"2","","age>=median","10 (5, 15)","","5 (5, 10)","","-3 (-5, 0)",""
"3","race","African-American","15 (5, 20)","0.319","10 (10, 15)","0.004","0 (-5, 5)","0.052"
"4","","Other","20 (20, 20)","","1 (1, 1)","","-19 (-19, -19)",""
"5","","Unknown","20 (15, 25)","","5 (5, 5)","","-15 (-20, -10)",""
"6","","White","10 (5, 15)","","5 (5, 10)","","-5 (-10, 0)",""
"7","HR","Neg","15 (10, 20)","0.05","5 (5, 10)","0.315","-5 (-11.25, -2)","0.035"
"8","","Pos","5 (5, 15)","","10 (5, 10)","","0 (-5, 0)",""
"9","HER2","Neg","15 (10, 20)","0.215","5 (5, 10)","0.155","-5 (-12.5, -1)","0.182"
"10","","Pos","7.5 (5, 16.25)","","10 (5, 10)","","0 (-8.12, 0)",""