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Table 4 Univariate and multivariate analyses of overall survival of patients with metastatic NPC

From: Intensity-modulated radiotherapy controls nasopharyngeal carcinoma distant metastasis and improves survival of patients

Variables

Univariate analysis

Multivariate analysis

HR

95 % CI

p value

HR

95 % CI

p value

Remission duration

0.446

0.276–0.721

0.001*

0.390

0.233–0.653

<0.001*

Age

1.513

0.925–2.474

0.099

   

Gender

0.909

0.510–1.619

0.745

   

2010UICC/AJCC T staging

1.134

0.875–1.469

0.341

   

2010UICC/AJCC N staging

1.047

0.725–1.513

0.805

   

2010UICC/AJCC stage

1.085

0.770–1.530

0.640

   

Treatment modality

0.303

0.120–0.766

0.012*

0.344

0.133–0.885

0.027*

Recurrence

1.210

0.657–2.227

0.541

   

Metastatic site

7.341

1.610–33.479

0.010*

5.972

1.292–27.609

0.022*

  1. *p<0.05
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