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FCR and FCM-R Patient Groups
| Characteristic | FCR | FCM-R |
|---|---|---|
| N | 163 | 30 |
| Median age, yrs (range) | 55 (17-69) | 57 (38-69) |
| Rai stage III and IV, N (%) | 41 (25) | 4 (13) |
| Median WBC, k/μl (range) | 75.8 (5.4-620) | 75.1 (5.6-356) |
| Median beta-2-microglobulin, mg/L (range) | 2.9 (1.6-3.9) | 2.7 (1.4-3.8) |
| CD38 > 20% (%) | 77 | 47 |
| IgVH unmutated (%) | 61 | 67 |
| ZAP-70 positive (%)* | 46 | 65 |
| FISH (%) | ||
| 17p del | 6 | 8 |
| 11q del | 29 | 4 |
| 13q del | 19 | 4 |
Immunohistochemistry
