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Overall survival comparison between adjuvant therapy vs no adjuvant therapy in the propensity score matched group (n = 771), missing data on censoring or date of death (n = 7). Hazard ratio 0.79 (95% CI: 0.64–0.97), p-value 0.022. Median OS 45.7 months in the adjuvant group (95% CI: 38.8–56.2) vs 37.0 months in the no adjuvant group (95% CI: 32.9–41.8), log rank p-value 0.022.
