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Table 2 Multivariate analyses of prognostic factors in the 93 NPC patients

From: The prognostic value of pretreatment tumor apparent diffusion coefficient values in nasopharyngeal carcinoma

 

OS

LRFS

DMFS

P value

95% CI

P value

95% CI

P value

95% CI

ADC

0.0004

0.001–0.13

0.0009

0–0.095

0.0001

0–0.023

Sex

0.17

0.34–1.21

0.45

0.38–1.54

0.20

0.35–1.25

Age

0.72

0.97–1.02

0.85

0.97–1.02

0.13

0.96–1.005

Clinical stage

0.006

1.25–3.95

0.19

0.81–3.02

0.006

1.26–4.01

T stage

0.076

0.49–1.04

0.61

0.59–1.36

0.11

0.93–1.93

N stage

0.02

0.35–0.92

0.11

0.36–1.10

0.034

0.36–0.96

Pathological type

0.61

0.73–1.20

0.30

0.62–1.16

0.36

0.67–1.16

Tumor volume

0.69

0.996–1.007

0.38

0.99–1.01

0.15

0.99–1.01

Smoking

0.60

0.46–1.56

0.95

0.50–2.10

0.80

0.50–1.69

Drinking

0.57

0.66–2.13

0.74

0.44–1.78

0.10

0.31–1.11

  1. ADC: apparent diffusion coefficient; CI: confident index; NPC: nasopharyngeal carcinoma; OS: overall survival; LRFS: local relapse-free survival; DMFS: distant metastasis-free survival; p<0.05 as statistically significant