Table 2.
Univariate and multivariate logistic regression analyses for clinical parameters.
| Characteristics | pCR | |||
|---|---|---|---|---|
| Univariable | multivariable | |||
| OR (95%CI) | P-value | OR (95%CI) | P-value | |
| Age (years) | 0.978 (0.946-1.010) | 0.179 | – | – |
| Gender (male vs female) | 0.947 (0.385-2.328) | 0.906 | – | – |
| BMI (kg/m2) | 1.013 (0.890-1.154) | 0.842 | – | – |
| Interval (weeks) | 1.224 (1.028-1.457) | 0.023 | 1.305 (1.067-1.597) | 0.010 |
| DTAV (cm) | 1.037 (0.896-1.201) | 0.624 | – | – |
| Tumor size (cm) | 0.971 (0.763-1.236) | 0.813 | – | – |
| Histology | – | – | – | – |
| (Adenocarcinoma vs Mucinous) | 0.252 (0.032-1.983) | 0.190 | – | – |
| cT stage | – | 0.169 | – | – |
| cT4 vs cT2 | 2.875 (0.160-51.534) | 0.473 | – | – |
| cT4 vs cT3 | 6.337 (0.818-49.073) | 0.077 | – | – |
| cN status (N+ vs N-) | 1.318 (0.494-3.517) | 0.582 | – | – |
| Grade | – | 0.015 | – | 0.020 |
| Well vs Moderate | 0.179 (0.032-0.999) | 0.050 | 0.202 (0.033-1.239) | 0.084 |
| Well vs Poor | 0.152 (0.042-0.544) | 0.004 | 0.139 (0.035-0.555) | 0.005 |
| CEA (ng/ml) | 0.731 (0.556-0.962) | 0.025 | 0.743 (0.555-0.995) | 0.046 |
| CA199 (kU/L) | 0.988 (0.949-1.029) | 0.560 | – | – |
pCR, pathological complete response; OR, odds ratio; CI, cofidence interval; BMI, body mass index; DTAV, distance to anal verge.