Fig. 6From: The role of prognostic nutritional index in the management of pulmonary sarcomatoid carcinomaKaplan–Meier survival curves evaluate the overall survival (OS) and recurrence-free survival (RFS) in patients with completely resected PSC (n = 91) stratified according to treatment modality among patients with higher PNI (PNI ≥ 49.4) (a OS, P = 0.002; b RFS, P = 0.020) or lower PNI (PNI < 49.4) (c OS, P = 0.369; d RFS, P = 0.466)Back to article page