passages.id: split_4_validation_1560_passage
passages.type: progene_text
passages.text: Compared with the control group , the study group had lower 7 - year survival ( 94 % vs 98 % ; P < .001 ) , fewer low - risk patients ( 426 [ 45 % ] vs 811 [ 55 % ] ; P < .001 ) with worse 7 - year survival ( 97 % vs 99 % ; P = .008 ) , and more high - risk patients ( 49 [ 5 % ] vs 34 [ 2 % ] ; P < .001 ) with a nonsignificant trend toward worse 7 - year survival ( 76 % vs 93 % ; P = .36 ) .