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Fig. 3 | BMC Medicine

Fig. 3

From: Development and validation of a novel MR imaging predictor of response to induction chemotherapy in locoregionally advanced nasopharyngeal cancer: a randomized controlled trial substudy (NCT01245959)

Fig. 3

Failure-free survival in the training and validation cohorts stratified by low and high ICTOS. Kaplan-Meier curves compared the ICT+CCRT patients and CCRT patients in the whole group (a), high ICTOS group (b), and low ICTOS group (c) in the matched training cohort. Kaplan-Meier curves compared the ICT+CCRT patients and CCRT patients in the whole group (d), high ICTOS group (e), and low ICTOS group (f) in the prospective validation cohort. ICT, induction chemotherapy; CCRT, concurrent chemoradiotherapy; ICTOS, Induction Chemotherapy Outcomes Score; HR, hazard ratio; CI, confidence interval

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