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Fig. 9 | Chinese Journal of Cancer

Fig. 9

From: A new prognostic histopathologic classification of nasopharyngeal carcinoma

Fig. 9

Kaplan-Meier survival estimates for the 3893 advanced NPC patients with different proposed subtypes who underwent radiochemotherapy (RCT) or radiotherapy (RT) alone. RCT significantly improved survival compared to RT alone for patients with EC (P < 0.001, a) and MSEC (P < 0.001, b), but not for patients with SC (P = 0.826, c); this was also likely the case for those with SCC (P = 0.048, d). The log-rank test was used to compute P values. Hazard ratios (HRs) with 95% confidence intervals (CIs) were computed for each type (RCT versus RT alone)

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