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Table 1 Baseline clinical characteristics of samples

From: Identification and development of an independent immune-related genes prognostic model for breast cancer

Variables Total (n = 857) Training cohort (n = 577) Validation cohort (n = 280)
Age (year)
 < 60 484 325 159
 ≥60 373 252 121
Sex
 Female 846 570 276
 Male 11 7 4
Stage
 I 151 99 52
 II 501 336 165
 III 188 134 54
 IV 17 8 9
T stage
 T1 227 162 65
 T2 510 332 178
 T3 92 64 28
 T4 28 19 9
N stage
 N0 411 285 126
 N1 292 186 106
 N2 102 73 29
 N3 52 33 19
M stage
 M0 840 569 271
 M1 17 8 9
Survival
 Dead 118 83 35
 Alive 739 494 245