Table 1

Patient characteristics

Overall no. of patients (%)p53 negativep53 positiveP
Total482028
Age (y)
 <5028 (58)9 (45)19 (68)
 >5020 (42)11 (55)9 (32)0.11
Race
 Asian2 (4)1 (5)1 (4)
 Black3 (6)1 (5)2 (7)
 Hispanic6 (13)3 (15)3 (11)
 Caucasian37 (77)15 (75)22 (79)0.43
Lymphovascular invasion
 No2 (6)0 (0)2 (12)
 Yes29 (94)14 (100)15 (88)0.49
Nuclear grade
 211 (24)7 (39)4 (15)
 334 (76)11 (61)23 (85)0.09
Histology
 Ductal41 (89)16 (84)25 (93)
 Lobular4 (9)3 (16)1 (4)
 Metaplastic1 (2)0 (0)1 (4)0.29
ER
 Negative32 (58)9 (47)23 (64)
 Positive23 (42)10 (53)13 (36)0.003
PR
 Negative37 (82)13 (68)24 (92)
 Positive8 (18)6 (32)2 (8)0.05
Taxane use
 No10 (21)5 (25)5 (18)
 Yes38 (79)15 (75)23 (82)0.72
pCR
 Yes9 (19)4 (20)5 (18)
 No39 (81)16 (80)23 (82)1.00