Table 2.
Multivariate Cox model for overall survival (OS) and desease-free survival (DFS)
| Category | OS | DFS | ||||||
|---|---|---|---|---|---|---|---|---|
| e/n | RR | 95% - CI | P | e/n | RR | 95% - CI | P | |
| Weight variation | 0.0082* | 0.0046* | ||||||
| < 5% (reference) | 36/77 | 1.00 | 34/77 | 1.00 | ||||
| > 5% | 21/34 | 2.11 | 1.21 - 3.66 | 21/34 | 2.28 | 1.29 - 4.03 | ||
| Clinical Node Involement | 0.054 | 0.021* | ||||||
| N0 (reference) | 22/55 | 1.00 | 23/55 | 1.00 | ||||
| N1 | 30/49 | 1.61 | 0.99 - 2.61 | 27/49 | 1.78 | 1.09 - 2.91 | ||
| N2 | 4/6 | 2.59 | 0.98 - 6.80 | 4/6 | 3.18 | 1.19 - 8.49 | ||
| N3 | 1/1 | 4.16 | 0.99 - 16.40 | 1/1 | 5.66 | 1.29 - 24.76 | ||
| Tumor stage | 0.084 | 0.14 | ||||||
| T1 (reference) | 6/21 | 1.00 | 7/21 | 1.00 | ||||
| T2 | 24/49 | 1.32 | 0.96 - 1.81 | 25/49 | 1.17 | 0.85 - 1.60 | ||
| T3 | 10/17 | 1.74 | 0.93 - 3.27 | 7/17 | 1.37 | 0.73 - 2.57 | ||
| T4 | 17/24 | 2.30 | 0.90 - 5.90 | 16/24 | 1.60 | 0.60 - 4.13 | ||
| Initial BMI | 0.20 | 0.33 | ||||||
| < 24 kg/m2 | 21/52 | 1.00 | 21/52 | 1.00 | ||||
| ≥ 24 kg/m2 | 36/59 | 1.49 | 0.81 - 2.74 | 34/59 | 1.59 | 0.86 - 2.93 | ||
| Menopausal status | 0.79 | 0.46 | ||||||
| Premenopausal (reference) | 21/50 | 1.00 | 23/50 | 1.00 | ||||
| Menopausal | 36/61 | 1.09 | 0.59 - 1.99 | 32/61 | 0.96 | 0.53 - 1.76 | ||
| Hormonotherapy | 0.81 | 0.90 | ||||||
| no (reference) | 34/67 | 1.00 | 36/67 | 1.00 | ||||
| yes | 23/44 | 0.93 | 0.53 - 1.65 | 19/14 | 0.80 | 0.44 - 1.14 | ||
* P value considered statistically significant (p < 0.05).
All the variable in the table were mutually adjusted for each other.