Fig. 4

Kaplan–Meier (KM) overall survival (OS) curve for pediatric NBL barcodes comparing the oldest 20% of patients and high POF1B Microarray expression (A), oldest 20% of patients and low POF1B microarray-based expression (B), youngest 20% of patients and high POF1B microarray-based expression (C), and youngest 20% of patients and low POF1B microarray-based expression. Median OS for (A), 3691 days; median OS for (B), 833 days; median OS for (C), undefined; median OS for (D), undefined. Log rank comparison p-value < 0.0001