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Table 1 Patient characteristics (N = 431)

From: Potential for the embryonic morphogen Nodal as a prognostic and predictive biomarker in breast cancer

Characteristic IHC Nodal scoring index category Chi-square
P-value
  0 to 3 4 to 6 9  
  N (%) N (%) N (%)  
  143 (33) 213 (49) 75 (17)  
Age group (N = 430)     
< 40 10 (29) 21 (60) 4 (11) 0.741
40-49 32 (35) 43 (47) 16 (18)  
50-59 39 (32) 61 (50) 23 (19)  
60-69 33 (33) 54 (54) 13 (13)  
> = 70 28 (35) 34 (42) 19 (23)  
*Missing 1 (100) - -  
Race     
White (N = 413) 136 (33) 206 (50) 71 (17) 0.96
Other (N = 18) 7 (39) 7 (39) 4 (22)  
Menopausal status     
Postmenopausal (N = 290) 98 (34) 139 (48) 53 (18) 0.64
Other (N = 141) 45 (32) 74 (52) 22 (16)  
Smoking status (N = 426)     
Current 16 (43) 15 (41) 6 (16) 0.011
Former 54 (38) 71 (50) 18 (13)  
Never 69 (28) 126 (51) 51 (21)  
*Missing 4 (80) 1 (20) -  
  1. 1 Mantel-Haenszel
  2. * Not included in calculation