Prognostic Significance of Fluorescence Intensity of CD45 Expression in Childhood B-Precursor ALL by Univariate Analysis
| CD45 Intensity . | No. . | No. of Failures . | Expected . |
|---|---|---|---|
| Negative | 195 | 25 | 28.5 |
| 1st quartile | 278 | 35 | 49.9 |
| 2nd quartile | 285 | 41 | 49.8 |
| 3rd quartile | 288 | 47 | 49.9 |
| 4th quartile | 244 | 72 | 41.9 |
| CD45 Intensity . | No. . | No. of Failures . | Expected . |
|---|---|---|---|
| Negative | 195 | 25 | 28.5 |
| 1st quartile | 278 | 35 | 49.9 |
| 2nd quartile | 285 | 41 | 49.8 |
| 3rd quartile | 288 | 47 | 49.9 |
| 4th quartile | 244 | 72 | 41.9 |
P < .0001.