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DFS and OS of groups divided by CTLA-4 expression profiles
| Groups | Tumor CTLA-4 expression | Density of interstitial CTLA-4+ lymphocytes | Number | Recurrences | Mean DFS (month) | Deaths | Mean OS (month) |
|---|---|---|---|---|---|---|---|
| Group 1 | ≤1.525 | >33.44/mm2 | 45 | 3 | 133.332 | 2 | 134.782 |
| Group 2 | >1.525 | >33.44/mm2 | 28 | 8 | 107.649 | 7 | 114.033 |
| Group 3 | ≤1.525 | ≤33.44/mm2 | 37 | 14 | 105.984 | 12 | 112.736 |
| Group 4 | >1.525 | ≤33.44/mm2 | 20 | 8 | 92.265 | 8 | 101.322 |
