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Four-year EFS for stage by CHIPS
| CHIPS | N | Stage I | Stage 2 | Stage 3 | Stage 4 | Entire cohort | |
|---|---|---|---|---|---|---|---|
| 0 | 341 | 94.7 ± 3.7 (N = 41) | 93.0 ± 2.0 (N = 185) | 91.1 ± 2.9 (N = 115) | (N = 0) | 93.1 ± 1.4 | NSS |
| 1 | 405 | 91.7 ± 8.0 (N = 14) | 88.7 ± 2.0 (N = 251) | 88.1 ± 4.2 (N = 63) | 87.8 ± 3.8 (N = 77) | 88.5 ± 1.6 | NSS |
| 2 | 217 | 80.0 ± 17.9 (N = 5) | 78.6 ± 3.7 (N = 129) | 80 + 8.9 (N = 20) | 74.5 ± 5.7 (N = 63) | 77.6 ± 2.9 | NSS |
| 3 | 55 | 100 (N = 2) | 64.5 ± 9.6 (N = 27) | (N = 0) | 72.7 ± 8.8 (N = 26) | 69.2 ± 6.5 | NSS |
| Total | 1018 | P < 0.001 | |||||
