Table 3.
Multivariate logistic regression model of risk factors for over-T-staging and under-T-staging in rectal cancer
| Characteristics | Over-T-staging | Under-T-staging | ||||
|---|---|---|---|---|---|---|
| OR | 95% CI | P Value | OR | 95% CI | P Value | |
| CEA | 1.001 | 0.988–1.014 | 0.907 | 1.008 | 0.995–1.02 | 0.214 |
| CA199 | 0.999 | 0.996–1.002 | 0.374 | 0.998 | 0.993–1.004 | 0.557 |
| BMI | 1.003 | 0.947–1.063 | 0.906 | 0.997 | 0.916–1.085 | 0.944 |
| WBC | 1.011 | 0.884–1.156 | 0.874 | 1.055 | 0.873–1.275 | 0.578 |
| HB | 0.999 | 0.986–1.012 | 0.862 | 0.981 | 0.964–0.998 | 0.027 |
| PLT | 0.998 | 0.994–1.001 | 0.163 | 0.998 | 0.994–1.003 | 0.522 |
| ALB | 0.98 | 0.942–1.019 | 0.307 | 1.068 | 1.007–1.133 | 0.029 |
| Tumor Location | 0.644 | 0.382–1.087 | 0.186 | 0.923 | ||
| Upper | 0.656 | 0.368–1.168 | 0.1 | 1.05 | 0.49–2.251 | 0.901 |
| Middle | 0.152 | 1.175 | 0.524–2.635 | 0.696 | ||
| Low | 1 | 1 | ||||
| Histological Subtype | 0.53 | |||||
| Classic adenocarcinoma | 1 | 1 | 0.638 | |||
| Mucinous adenocarcinoma | 1.316 | 0.558–3.106 | 1.319 | 0.416–4.184 | ||
| Tumor Size | 0.837 | 0.717–0.976 | 0.024 | 0.808 | 0.646–1.012 | 0.064 |
| Bowel Obstruction | < 0.001 | |||||
| No | 1 | 1 | ||||
| Yes | 3.12 | 1.662–5.857 | 1.267 | 0.455–3.528 | 0.65 | |
Abbreviations: CEA carcinoembryonic antigen, BMI body mass index, WBC white blood cell, HB hemoglobin, PLT plate, ALB albumin