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Table 3 The univariate and multivariate analysis for OS in de novo mNPC

From: Prognostic value of pre-treatment FDG PET/CT SUVmax for metastatic lesions in de novo metastatic nasopharyngeal carcinoma following chemotherapy and locoregional radiotherapy

 

Univariable analysis

Multivariate analysis

HR (95% CI)

P value

HR (95% CI)

P value

Age

1.01 (0.99–1.04)

0.395

  

Gender

 

0.02

 

0.065

 Female

Reference

 

Reference

 

 Male

5.36 (1.3–22.07)

 

3.81 (0.918–15.8)

 

T stage

 

0.658

  

 T1-2

Reference

   

 T3-4

0.88 (0.51–1.53)

   

N stage

 

0.072

  

 N1

Reference

   

 N2-3

2.92 (0.91–9.42)

   

Liver involvement

 

0.03

 

0.039

 No

Reference

 

Reference

 

 Yes

1.87 (1.06–3.31)

 

1.94 (1.031–3.64)

 

Metastatic site

 

0.155

  

 Single

Reference

   

 Multiple

1.53 (0.85–2.75)

   

Number of metastasis

 

0.016

  

 < 4

Reference

   

 ≥ 4

1.94 (1.13–3.34)

   

LDH

 

0.017

 

0.05

 < 229

Reference

 

Reference

 

 ≥ 229

1.96 (1.13–3.42)

 

1.81 (1.00–3.28)

 

SUVmax-T

 

0.788

  

 < 8

Reference

   

 ≥ 8

1.1 (0.56–2.13)

   

SUVmax-N

 

0.126

  

 < 6.4

Reference

   

 ≥ 6.4

1.71 (0.86–3.41)

   

SUVmax-M

 

0.001

 

0.004

 < 10

Reference

 

Reference

 

 ≥ 10

2.49 (1.45–4.27)

 

2.10 (1.20–3.67)

 

SUVmax-M-sum

 

0.002

  

 < 10

Reference

   

 ≥ 10

2.39 (1.36–4.21)

   

SUVmax-M-mean

 

0.009

  

 < 8.8

Reference

   

 ≥ 8.8

2.07 (1.2–3.55)

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