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Patient disease-free and disease-specific 10 year survival associated with HIF-1α protein expression or HIF-Pathway score. Kaplan-Meier plots with above and below the mean levels of HIF-1α or the mean of the HIF Pathway score. Patient numbers in each group: high HIF-1α, n = 25; low HIF-1α, n = 24; low HIF Pathway, n = 28; high HIF Pathway, n = 21. Significant difference was determined by log-rank (Mantel Cox) analysis
