Table 3.
Definition/worksheet for the updated graded prognostic assessment for breast cancer patients with brain metastases (Breast GPA) and survival by GPA
| Factor | 0 | 0.5 | 1.0 | 1.5 | Patient score |
|---|---|---|---|---|---|
| KPS | ≤60 | 70–80 | 90–100 | NA | |
| Subtype | Basal | Luminal A | NA | HER2, Luminal B | |
| Age | ≤60 | <60 | NA | NA | |
| No. BM | >1 | 1 | NA | NA | |
| ECM | Present | Absent | |||
| Sum total = |
| GPA | N (%) | Median OS | IQR |
|---|---|---|---|
| 0.0–1.0 | 377 (19) | 6.0 | 2.5–12.3 |
| 1.5–2.0 | 780 (39) | 12.9 | 5.6–27.0 |
| 2.5–3.0 | 659 (33) | 23.5 | 11.1–47.0 |
| 3.5–4.0 | 173 (9) | 36.3 | 18.5–78.1 |
Abbreviations: BM = brain metastases; ECM = extracranial metastases; GPA = Graded Prognostic Assessment; HER2 = human epidermal receptor 2; IQR = interquartile range; KPS = Karnofsky Performance Status; OS = overall survival.