Table 2 Technical data of the bone marrow tissue microarray of acute leukaemias.
| n | % | |
|---|---|---|
| Number of acute leukaemia cases | 148 | |
| Number of punches (cores) | 348 | |
| Morphological analysis (H&E): | ||
| Punches missing tissue | 28/348 | 7 |
| Punches ⩽20% tumour cells | 14/384 | 4 |
| Number of cases not evaluable | 6/148 | 4 |
| Immunohistochemical analysis: | ||
| Number of punches | 5760 | 5 |
| Punches missing tissue | 286/5760 | 8 |
| Punches ⩽20% tumour cells | 437/5760 | 13 |
| Punches not evaluable | 723 | |
| Summary (H&E and IHC): | ||
| Number of punches | 6912 | 11 |
| Punches not evaluable | 765/6912 |
H&E, haematoxylin and eosin; IHC, immunohistochemistry.