Table 1.
Description of study populations and TMA designs used by participating studies
| Study Acronym | Country | Cases | Age at diagnosis, mean (range) | TMA blocks | Cores per case | Cores per TMA | Core size (mm) | Total cores per study |
|---|---|---|---|---|---|---|---|---|
| ABCS | Netherlands | 1000 | 43 (23 50) | 26 | 1–6 | 12–241 | 0.6 | 3 314 |
| CNIO‐BCS | Spain | 171 | 60 (35 81) | 3 | 2–2 | 86–148 | 1.0 | 342 |
| HEBCS | Finland | 1154 | 56 (22 95) | 17 | 2–8 | 56–400 | 0.6 | 4 880 |
| KBCP | Finland | 392 | 59 (23 92) | 12 | 3–3 | 96–99 | 1.0 | 1 176 |
| MCBCS | USA | 348 | 58 (26 87) | 4 | 4–4 | 280–400 | 0.6 | 1 392 |
| ORIGO | Netherlands | 233 | 56 (27 88) | 3 | 3–9 | 237–310 | 0.6 | 841 |
| PBCS | Poland | 1406 | 56 (27 75) | 9 | 2–7 | 363–474 | 0.6 | 3 790 |
| SBCS | UK | 358 | 60 (30 92) | 11 | 3–8 | 90–156 | 0.6 | 1 320 |
| SEARCH | UK | 3205 | 52 (24 70) | 19 | 1–2 | 152–172 | 0.6 | 3 208 |
| Totals | 8267 | 53 (22 95) | 104 | 1–9 | 12–474 | 0.6–1.0 | 20 263 |