Table 2.
Multivariate survival analyses
| Variable | P | HR (95% CI) |
|---|---|---|
| Entire Material | ||
| Tumor grade (high) | <0.001 | 2.482 (1.841-3.347) |
| Tumor size | 0.081 | 1.007 (0.999-1.014) |
| Nodal status (positive) | <0.001 | 2.402 (1.739-3.317) |
| Age | <0.001 | 1.029 (1.017-1.041) |
| Stat3 activation status (negative) | 0.238 | 1.195 (0.889-1.608) |
| Low Grade Breast Cancer | ||
| Tumor size | 0.314 | 1.005 (0.995-1.016) |
| Nodal status (positive) | 0.001 | 2.069 (1.357-3.153) |
| Age | <0.001 | 1.044 (1.026-1.062) |
| Stat3 activation status (negative) | 0.200 | 1.304 (0.869-1.957) |
| High Grade Breast Cancer | ||
| Tumor size | 0.119 | 1.009 (0.998-1.021) |
| Nodal status (positive) | <0.001 | 2.962 (1.750-5.012) |
| Age | 0.102 | 1.014 (0.997-1.030) |
| Stat3 activation status (negative) | 0.583 | 1.130 (0.730-1.751) |
| Node Negative Breast Cancer | ||
| Tumor grade (high) | 0.014 | 2.040 (1.154-3.607) |
| Tumor size | 0.511 | 1.007 (0.986-1.028) |
| Age | <0.001 | 1.048 (1.024-1.072) |
| Stat3 activation status (negative) | 0.722 | 1.098 (0.655-1.838) |
| Node Positive Breast Cancer | ||
| Tumor grade (high) | <0.001 | 2.694 (1.877-3.867) |
| Tumor size | 0.106 | 1.007 (0.999-1.015) |
| Age | 0.004 | 1.020 (1.006-1.035) |
| Stat3 activation status (negative) | 0.167 | 1.294 (0.898-1.862) |