Fig. 2From: Pretreatment synthetic magnetic resonance imaging predicts disease progression in nonmetastatic nasopharyngeal carcinoma after intensity modulation radiation therapyKaplan–Meier plots of features that are associated with PFS and every plot has a log-rank p value and risk table. a T stage; b Kurtosis of T1 map; c Skewness of T1 map; d 10th Percentile of T2 map; e Mean of PD map; f Mean of ADC map. PFS Progression-free survival; PD Proton density; ADC Apparent diffusion coefficientBack to article page