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Table 2 Comparison of characteristics between patients with response and those without response

From: Apparent diffusion coefficient for the prediction of tumor response to neoadjuvant chemo-radiotherapy in locally advanced rectal cancer

Parameter OR 95% CI P value
Univariate analysis
 Age (years) 1.015 0.976–1.057 0.451
 Male sex 1.284 0.512–3.217 0.594
 Clinical tumor depth
  T2 1 0.814
  T3 3 0.084–107.447 0.547
  T4 1.576 0.095–26.067 0.751
 Clinical lymph node metastases
  N0 1 0.189
  N1 2.160 0.756–6.173 0.151
  N2 2.850 0.878–9.252 0.081
 Histological classification
  High differentiation 1 0.310
  Moderate differentiation 3.600 0.280–46.359 0.326
  Low differentiation 5.444 0.540–54.927 0.151
 Pre-ADC 11.818 4.328–32.272 < 0.001
 Post-ADC 2.312 0.974–5.492 0.058
 ΔADC% 9.225 3.441–24.728 < 0.001
Multivariable analysis
 Clinical Lymph node metastases
  N0 1 0.129
  N1 6.226 0.253–153.237 0.263
  N2 15.486 0.871–275.198 0.062
 Pre-ADC 5.521 1.344–22.673 0.018
 Post-ADC 2.108 0.433–10.259 0.355
 ΔADC% 9.886 2.460–39.720 0.001