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