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Table 3 Multivariate analysis for OS and DSS for all patients

From: Evaluation of effect of body mass index and weight loss on survival of patients with nasopharyngeal carcinoma treated with intensity-modulated radiation therapy

  

OS

DSS

Variable

Comparison

p

HR (95 % CI)

p

HR (95 % CI)

Age

Young vs. old

0.141

1.715(0.84–3.52)

0.204

1.756(0.74–4.19)

Sex

Male vs. female

0.786

1.100(0.55–2.20)

0.194

1.727(0.76–3.94)

preT BMI

<23 kg/m2 vs. ≥23 kg/m2

0.672

1.164(0.58–2.36)

0.341

0.670(0.29–1.53)

Education level

Low vs. Medium

0.427

0.731(0.34–1.58)

0.807

1.122(0.44–2.84)

 

Low vs. high

0.047

0.360(0.13–0.99)

0.199

0.368(0.08–1.69)

CCIS

0 vs. 1

0.852

0.911(0.34–2.42)

0.660

1.282(0.42–3.88)

 

0 vs. ≥2

0.013

3.043(1.27–7.31)

0.318

1.936(0.53–7.08)

T classification

Early vs. late

0.191

1.563(0.80–3.06)

0.706

1.171(0.52–2.66)

N classification

Early vs. late

0.331

1.539(0.65–3.67)

0.128

3.206(0.71–14.40)

Treatment

RT vs. CCRT

0.595

1.325(0.47–3.74)

0.468

0.612(0.16–2.30)

 

RT vs. RT/CCRT + CT

0.655

1.276(0.44–3.73)

0.840

1.132(0.34–3.79)

BWL percentage

<5 % vs. ≥5 %

0.087

1.910(0.91–4.01)

0.232

1.746(0.70–4.36)

  1. Abbreviations: HR hazard ratio; CI confidence interval. Other abbreviations as in Tables 1 and 2