Table 3. Uni- and multivariate analyses for predicting regional lymph node metastasis without distant metastasis.
| Variables | Univariate analysis | Multivariate | ||
|---|---|---|---|---|
| RR | 95%CI | p | p | |
| Age (Continous) | 1.006 | 0.969–1.044 | 0.764 | |
| Sex (Male vs. Female) | 1.008 | 0.434–2.343 | 0.985 | |
| Tumor location (Colon vs. Rectum) | 1.83 | 0.696–4.813 | 0.221 | |
| Differentiation(Well vs. Moderate, poor) | 1.08 | 0.401–2.909 | 0.879 | |
| pT stage (Tis-T2 vs.T3-T4) | 4.714 | 1.287–17.267 | 0.019* | 0.024* |
| Lymphatic invasion (Negative vs. Positive) | 3.641 | 1.382–9.593 | 0.009* | 0.004* |
| Venous invasion (Negative vs. Positive) | 0.304 | 0.026–3.514 | 0.34 | |
| Perineural invasion (Negative vs. Positive) | 1.883 | 0.258–13.742 | 0.533 | |
| V/S ratio (≤1.88 vs. >1.88) | 1.868 | 0.682–5.113 | 0.224 | |
pT stage pathologic T stage, RR relative risk, CI confidence interval, SUVmax maximum standardized uptake value,V/S ratiovisceral fat SUVmax/subcutaneous fat SUVmax ratio
*p< 0.05 is considered significant