Fig. 2From: Value of the prognostic nutritional index and weight loss in predicting metastasis and long-term mortality in nasopharyngeal carcinomaPrognostic nutritional index related outcomes. Kaplan–Meier overall survival curves (a), progression-free survival curves (b), distant metastasis-free survival curves (c) and local relapse-free survival curves (d) for patients with NPC stratified by prognostic nutritional index (PNI)Back to article page