Research Article
A Novel Systematic Oxidative Stress Score Predicts the Prognosis of Patients with Operable Breast Cancer
Table 3
Relationship between SOS and clinical characteristics in the training set.
| Variables | Total (n ) | SOS high () | SOS low () | value | No. | % | No. | % | No. | % |
| Age | | | | | | | 0.002 | ≤60 | 1003 | 84.5 | 436 | 80.9 | 567 | 87.5 | | >60 | 184 | 15.5 | 103 | 19.1 | 81 | 12.5 | | Multifocality | | | | | | | 0.115 | Yes | 29 | 2.4 | 9 | 1.7 | 20 | 3.1 | | No | 1158 | 97.6 | 530 | 98.3 | 628 | 96.9 | | Histological grade | | | | | | | 0.611 | I | 89 | 7.5 | 36 | 6.7 | 53 | 8.2 | | II | 671 | 56.5 | 306 | 56.8 | 365 | 56.3 | | III | 427 | 36.0 | 197 | 36.5 | 230 | 35.5 | | VCE | | | | | | | 0.790 | Yes | 410 | 34.5 | 184 | 34.1 | 226 | 34.9 | | No | 777 | 65.5 | 355 | 65.9 | 422 | 65.1 | | T stage | | | | | | | 0.038 | T1 | 549 | 46.2 | 225 | 41.7 | 324 | 50.0 | | T2 | 555 | 46.8 | 275 | 51.0 | 280 | 43.2 | | T3 | 47 | 4.0 | 23 | 4.3 | 24 | 3.7 | | T4 | 36 | 3.0 | 16 | 3.0 | 20 | 3.1 | | N stage | | | | | | | 0.059 | N0 | 630 | 53.1 | 264 | 49.1 | 366 | 56.5 | | N1 | 298 | 25.1 | 142 | 26.3 | 156 | 24.0 | | N2 | 145 | 12.2 | 74 | 13.7 | 71 | 11.0 | | N3 | 114 | 9.6 | 59 | 10.9 | 55 | 8.5 | | IHC subtype | | | | | | | 0.466 | Luminal A | 252 | 21.1 | 104 | 19.3 | 148 | 22.8 | | Luminal B | 645 | 54.3 | 296 | 54.9 | 349 | 53.9 | | HER2+ | 139 | 11.7 | 67 | 12.4 | 72 | 11.1 | | TNBC | 151 | 11.9 | 72 | 13.4 | 79 | 12.2 | |
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