Comparison of the Classification According to the St Jude’s Staging System With the Classification According to the Prognostic Factors Defined in This Study
| New Classification . | St Jude’s Classification . | |
|---|---|---|
| Stage I or II . | Stage III or IV . | |
| Neither mediastinum, neither visceral involvement, nor elevated LDH | N = 17 E = 1 3-yr EFS = 100% | N = 12 E = 1 3-yr EFS = 86% [49-97%] |
| At least one of these risk factors | N = 4 E = 1 3-yr EFS = 67% [21-94%] | N = 42 E = 21 3-yr EFS = 45% [30-61%] |
| New Classification . | St Jude’s Classification . | |
|---|---|---|
| Stage I or II . | Stage III or IV . | |
| Neither mediastinum, neither visceral involvement, nor elevated LDH | N = 17 E = 1 3-yr EFS = 100% | N = 12 E = 1 3-yr EFS = 86% [49-97%] |
| At least one of these risk factors | N = 4 E = 1 3-yr EFS = 67% [21-94%] | N = 42 E = 21 3-yr EFS = 45% [30-61%] |
Abbreviations: N, number of patients in each group; E, number of events in each group.