Table 2.
Univariate and multivariate models for OS with BM in mTNBC patients (n = 127)
| Univariate | Multivariate | ||||||
|---|---|---|---|---|---|---|---|
| Factor | No. | Median | 95% CI | P | HR | 95% CI | P |
| Age | 0.55 | ||||||
| ≤ 40 | 29 | 6.4 | 1.7–11.1 | ||||
| > 40 | 98 | 7.3 | 6.1–8.5 | ||||
| DFI | 0.33 | ||||||
| ≤ 1 y | 31 | 7.6 | 4.7–10.5 | ||||
| > 1 y | 76 | 7.6 | 4.5–11.7 | ||||
| IV | 20 | 5.4 | |||||
| KPS | 0.000 | 0.07 | |||||
| 70–100 | 109 | 7.6 | 4.7–10.4 | 1.81 | |||
| 40–60 | 18 | 1.7 | 0.2–3.4 | ||||
| Recurrent BM | 0.008 | 0.01 | |||||
| First | 32 | 17.3 | 9.2–25.3 | 2.21 | 1.18–4.17 | ||
| Subsequent | 95 | 6.3 | 4.5–8.0 | ||||
| Number of intracranial metastases | 0.002 | 0.001 | |||||
| > 3 | 58 | 5.4 | 2.1–8.7 | 2.37 | 1.47–3.80 | ||
| ≤ 3 | 69 | 10.2 | 6.3–14.1 | ||||
| Symptomatic brain metastasis | 0.02 | 0.01 | |||||
| Presence | 76 | 5.5 | 2.8–8.2 | 1.92 | 1.13–3.27 | ||
| Absence | 51 | 8.7 | 3.0–16.7 | ||||
| Meninges involvement | 0.01 | 0.48 | |||||
| Yes | 14 | 3.2 | 0.9–5.4 | 1.32 | 0.61–2.83 | ||
| No | 113 | 7.6 | 4.8–10.3 | ||||
| Brain-directed treatment | 0.001 | 0.002 | |||||
| Not performed | 29 | 3.7 | 0.2–7.7 | 2.30 | 1.32–3.92 | ||
| Performed | 98 | 9.5 | 6.3–12.7 | ||||
| Extracranial metastasisa | 0.002 | 0.02 | |||||
| Under-control | 37 | 9.8 | 5.8–13.8 | 1.78 | 1.13–2.92 | ||
| Out-of-control | 65 | 3.6 | 2.2–4.9 | ||||
a103 patients died