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Table 4 Final model of multivariate Cox regression analysis for prediction of distant disease-free survival among univariately significant parameters.

From: Circulating tumor cells, disease recurrence and survival in newly diagnosed breast cancer

Parameter HR 95% CI P
CTC 0 vs 1 2.56 1.20-5.46 0.015
ER pos vs neg 3.71 1.72-8.06 0.010
T stage    
1
2
3+4
1.00
2.02
4.24
0.94-4.37
1.22-14.77
0.050
0.072
0.023
N stage    
0
1
2+3
1.00
3.18
2.58
1.43-7.09
0.94-7.07
0.014
0.005
0.065
  1. CI, confidence interval; CTC, circulating tumor cells; ER, estrogen receptor; HR, hazard ratio.