Table 1. Main features of the cohorts of NB patients analyzed for gene expression profiling, BM smears, flow cytometry and cell blood count (CBC).
| NB patients | ||||||||
|---|---|---|---|---|---|---|---|---|
| Gene expression | % | BM smear | % | Flowcytometry | % | CBC | % | |
| N | 44 | 70 | 16 | 115 | ||||
| Sex | ||||||||
| Female | 17 | 38.6 | 33 | 47.1 | 9 | 56.2 | 51 | 44.3 |
| Male | 27 | 61.4 | 37 | 52.9 | 7 | 43.8 | 64 | 55.7 |
| Age | ||||||||
| < 18 months | 24 | 54.5 | 33 | 47.1 | 10 | 62.5 | 55 | 47.8 |
| ≥18 months | 20 | 45.5 | 37 | 52.9 | 6 | 37.5 | 60 | 52.2 |
| Stage | ||||||||
| L1/L2 | 34 | 77.3 | 20 | 28.6 | 10 | 62.5 | 64 | 55.7 |
| M | 10 | 22.7 | 37 | 52.8 | 6 | 37.5 | 38 | 33.0 |
| Ms | 13 | 18.6 | 13 | 11.3 | ||||
| MYCN | ||||||||
| Amplified | 6 | 13.6 | 22 | 31.4 | 4 | 25.0 | 28 | 24.4 |
| Single copy | 35 | 79.6 | 43 | 61.5 | 12 | 75.0 | 72 | 62.6 |
| ND | 3 | 6.8 | 5 | 7.1 | 0 | 15 | 13.0 | |