Table 3.
Multivariate Logistic Regression for Predicting Bad Response
| Variables | β Value | OR | 95% CI | P Value | Points |
|---|---|---|---|---|---|
| Tumor length (cm) | |||||
| ≥4 vs <4 | 0.584 | 1.793 | 1.171–2.747 | 0.007** | 1 vs 0 |
| Clinical T stage | |||||
| cT4 vs cT3-1 | 0.464 | 1.590 | 1.025–2.465 | 0.038* | 1 vs 0 |
| CEA (ng/mL) | |||||
| ≥5.0 vs <5.0 | 0.468 | 1.597 | 1.038–2.456 | 0.033* | 1 vs 0 |
| Irradiation technique | |||||
| 3DCRT vs IMRT | 0.562 | 1.754 | 1.020–3.016 | 0.042* | 1 vs 0 |
| ApoAI (g/L) | |||||
| ≤1.20 vs >1.20 | 0.456 | 1.578 | 1.025–2.429 | 0.038* | 1 vs 0 |
Notes: Each variable was assigned with an integer point nearest to its β regression coefficient divided by 0.456 (the smallest β value in the model). *P<0.05, **P<0.01.
Abbreviations: OR, odds ratio; CI, confidence interval; CEA, carcinoembryonic antigen; 3DCRT, three-dimensional conformal radiation therapy; IMRT, intensified modulated radiation therapy; apoAI, apolipoprotein A-I.