Kaplan–Meier analysis after PSM showed that low PNI still remained as the risk factor for predicting poor OS (5-year OS: 81.5% versus 88.5%, P = 0.010) and DMFS (5-year DMFS: 80.7% versus 90.1%, P = 0.002) but not for poor PFS, which just was very close to being statistically significant (5-year PFS: 71.9% versus 78.6%, P = 0.051).
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Prognostic value of inflammation-based prognostic index in patients with nasopharyngeal carcinoma: a propensity score matching study.
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