TABLE 4.
Characteristic | Score | No. of Patients (%) | Median Survival (mo) | 95% CI of Median | P Univariate | P Multivariate |
---|---|---|---|---|---|---|
Solid pattern | 0.046 | 0.049 | ||||
<90% | 1 | 68 (80.0) | 69.4 | (50.7 - 118.9) | ||
≥90% | 2 | 17 (20.0) | 21.6 | (6.8 - 77.2) | ||
Cytologic atypia | 0.01 | 0.02 | ||||
Mild/Moderate | 1 | 67 (78.8) | 71.0 | (50.7 - N/A) | ||
Severe | 2 | 18 (21.2) | 30.5 | (18.2 - 50.7) | ||
Mitoses | 0.26 | 0.57 | ||||
≤13 per HPF | 1 | 67 (78.8) | 69.4 | (49.4 - 118.9) | ||
>13 per HPF | 2 | 18 (21.2) | 33.6 | (18.2 - N/A) |
HR denotes hazard ratio and CI denotes confidence interval.