Table 7.
Univariate logistic regression for predicting ability for pathological positive level III axillary lymph nodes
| Beta coefficient (β) | Std. error | Odds ratio (OR) | 95% C.I. for OR | p-value | ||
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| Age > 50 years (RC: age ≤ 50 years) | − 0.30 | 0.51 | 0.74 | 0.27 | 2.01 | 0.556 |
| Inner | 1.01 | 1.04 | 2.75 | 0.35 | 21.30 | 0.333 |
| Outer | 1.19 | 0.82 | 3.30 | 0.656 | 16.61 | 0.148 |
| Tumor size ≥ 3 cm (RC: < 3 cm) | 1.20 | 0.57 | 3.32 | 1.08 | 10.18 | 0.036* |
| Tumor grade—3 (RC: grade 1 or 2) | 1.34 | 0.62 | 3.84 | 1.13 | 13.02 | 0.031* |
| No. of positive ALN ≥ 3 (RC: < 3) | 2.20 | 0.59 | 9.05 | 2.85 | 28.70 | 0.0001* |
| ER—positive (RC: negative) | 0.04 | 0.52 | 1.04 | 0.37 | 2.88 | 0.946 |
| PR—positive (RC: negative) | 0.13 | 0.52 | 1.13 | 0.41 | 3.11 | 0.808 |
| HER2—positive (RC: negative) | 1.34 | 0.62 | 3.84 | 1.13 | 13.02 | 0.031* |
| LVI—positive (RC: negative) | 3.02 | 0.65 | 20.57 | 5.75 | 73.64 | 0.0001* |
| PNI—positive (RC: negative) | 2.31 | 0.80 | 10.06 | 2.12 | 47.84 | 0.004* |
| ECE—positive (RC: negative) | 1.68 | 0.69 | 5.38 | 1.41 | 20.62 | 0.014* |