Document Classification

Section Type: RESULTS

Text: However, among stage D nonamplified-MYCN patients, 4-year EFS for those with tumor hyperdiploidy (DNA index [DI] > 1) was clearly superior to those with diploidy (DI < or = 1) : younger than 12 months, 83. 7 % + / - 4. 4 % (n = 87) versus 46. 2 % + / - 13. 8 % (n = 13 ; P =. 0003) ; and for 12 - to 24-month-old children, 72. 7 % + / - 10. 2 % (n = 22) versus 26. 7 % + / - 13. 2 % (n = 16 ; P =. 0092).