Table 1.
Eight-Year EFS and OS Stratified by Disease Stage and 1q Status
| Disease Stage | No. (% of stage group) | 8-Year EFS (95% CI) | P (EFS) | 8-Year OS (95% CI) | P (OS) |
|---|---|---|---|---|---|
| Stage I (n = 241, 21.6%) | |||||
| 1q gain | 46 (20) | 85 (72 to 98) | 90 (80 to 100) | ||
| No 1q gain | 195 (80) | 95 (91 to 99) | .0052 | 98 (96 to 100) | .0015 |
| Stage II (n = 382, 34.3%) | |||||
| 1q gain | 98 (26) | 81 (71 to 91) | 94 (87 to 100) | ||
| No 1q gain | 284 (74) | 87 (83 to 92) | .0775 | 97 (94 to 99) | .1917 |
| Stage III (n = 358, 32.1%) | |||||
| 1q gain | 115 (32) | 79 (70 to 87) | 91 (85 to 97) | ||
| No 1q gain | 243 (68) | 89 (84 to 94) | .0100 | 95 (91 to 98) | .3335 |
| Stage IV (n =133, 11.9%) | |||||
| 1q gain | 58 (44) | 64 (48 to 79) | 74 (60 to 88) | ||
| No 1q gain | 75 (56) | 91 (83 to 99) | .0004 | 92 (84 to 99) | .0110 |
Abbreviations: EFS, event-free survival; OS, overall survival.