Fig. 5From: Higher IGFBP-1 to IGF-1 serum ratio predicts unfavourable survival in patients with nasopharyngeal carcinomaKaplan-Meier survival analysis in patients with NPC. a, b Overall survival and Relapse-free survival curves for patients according to serum level of IGFBP-1. c, d Overall survival and relapse-free survival curves for patients according to the ratio level of IGFBP-1 to IGF-1 serum levelsBack to article page