Table 2:
Variable | β | sd | Percentile | Exp(β) | 95% HPD Interval | ||||
---|---|---|---|---|---|---|---|---|---|
25 | 50 | 75 | |||||||
Age at diagnosis | Under 40 yrs. | 0.461 | 0.179 | 0.338 | 0.462 | 0.584 | 1.586* | 0.117 | 0.808 |
40 to 60 yrs. | 0.283 | 0.149 | 0.182 | 0.283 | 0.386 | 1.328* | 0.002 | 0.577 | |
Over 60 yrs. | REF | ||||||||
No | REF | ||||||||
Type of surgery | BCS | −0.034 | 0.113 | −0.112 | −0.031 | 0.043 | 0.967 | −0.245 | 0.190 |
MRM | REF | ||||||||
Tumor size | T1 | 1.325 | 0.190 | 1.190 | 1.325 | 1.454 | 3.761* | 0.959 | 1.688 |
T2 | 0.523 | 0.137 | 0.429 | 0.523 | 0.616 | 1.687* | 0.244 | 0.778 | |
T3+ | REF | ||||||||
Lymph node status | N0 | 1.011 | 0.210 | 0.868 | 1.013 | 1.155 | 2.747* | 0.623 | 1.435 |
N1 | 0.081 | 0.156 | −0.026 | 0.085 | 0.188 | 1.085 | −0.212 | 0.388 | |
N2+ | REF | ||||||||
Stage | I | 0.618 | 0.265 | 0.434 | 0.611 | 0.793 | 1.854* | 0.121 | 1.158 |
II | 0.044 | 0.132 | −0.047 | 0.040 | 0.131 | 1.045 | −0.211 | 0.304 | |
III+ | REF | ||||||||
Histologic grade | Well | 1.097 | 0.269 | 0.915 | 1.095 | 1.272 | 2.995* | 0.599 | 1.639 |
Moderately | 0.203 | 0.113 | 0.128 | 0.204 | 0.279 | 1.225 | −0.012 | 0.434 | |
Poorly | REF | ||||||||
Lymphovascular invasion | Positive(+) | −1.139 | 0.122 | −1.221 | −1.143 | −1.056 | 0.320* | −1.373 | −0.900 |
Negative(−) | REF | ||||||||
Estrogen receptor | Positive(+) | 0.440 | 0.163 | 0.330 | 0.442 | 0.551 | 1.553* | 0.137 | 0.771 |
Negative(−) | REF | ||||||||
Progesterone receptor | Positive(+) | 0.475 | 0.158 | 0.374 | 0.473 | 0.582 | 1.608* | 0.165 | 0.781 |
Negative(−) | REF |
) significant based on 95% HPD interval.