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Table 3 Univariate analysis of prognostic factors associated with 24-month progression-free survival

From: Organizing medical oncology care at a regional level and its subsequent impact on the quality of early breast cancer management: a before-after study

Variable N Fail 24-month progression-free survival (%) p
Age (years)     0.38
< 50 113 11 92.7  
[50–74] 395 28 97.1  
≥ 75 110 9 96.4  
Hormonal status     
Estrogen receptor     <0.01
Positive 539 37 97.3  
Negative 73 10 85.9  
Progesterone receptor     <0.001
Positive 482 29 97.8  
Negative 130 18 89.2  
SBR grade     0.02
1 186 8 98.0  
2 309 25 96.6  
3 107 13 91.3  
TNM classification     
T (mm)     0.0001
<20 388 19 97.9  
≥ 20 217 26 92.7  
N     <0.0001
0 405 18 98.2  
≥ 1 203 28 93.0  
Period     0.71
Before 287 32 96.8  
After 331 16 95.6  
Centre     0.63
Reference centre 305 25 96.1  
Peripheral centres 313 23 95.3  
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