did not achieve significanceP = .089
In the intermediate-age cohort, NPM1 mut / IDH mut patients had improved OS compared with NPM1 mut / IDH WT (62.5% [95% CI, 43.5-76.8] vs 38.2% [95% CI, 29.3-47.0]; P = .009), but EFS differences did not achieve significance for NPM1 mut / IDH mut vs NPM1 mut / IDH WT (41.5% [95% CI, 26.0-56.4] vs 27.4% [95% CI, 19.7-35.6]; P = .089) ( supplemental Figure 1 ).