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Table 4 Multivariate analysis of outcome at 3 months and 1 year (logistic regression)

From: Monitoring tumour response during chemo-radiotherapy: a parametric method using FDG-PET/CT images in patients with oesophageal cancer

Endpoint

Covariates

Odds ratio (95% CI)

p

Correctly classified

AUC ROC

3 months

Age

0.94 (0.90 to 0.98)

0.001

76%

0.84

Ln(TV1)

2.93 (1.31 to 6.60)

0.009

 

Ln(1 + Vg)

2.23 (1.01 to 4.96)

0.047

 

1 year

Age

0.95 (0.92 to 0.99)

0.006

78%

0.89

N+

20.9 (2.24 to 195)

0.008

 
 

Ln(Vr)

3.08 (1.12 to 8.46)

0.03

  
  1. Natural logarithm (Ln) transformations were used to obtain Gaussian distributions for quantitative variables. 95% CL, 95% confidence limits; AUC ROC, area under receiver operating characteristics curve.