Table 1.

Patient characteristics overall and by pCR

OverallpCRP
NoYes
nn (%)n (%)
1427072
Race
    Black2311 (15.7%)12 (16.7%)
    Spanish/Hispanic2915 (21.4%)14 (19.4%)
    White8443 (61.4%)41 (56.9%)
    Asian/Pacific Islander61 (1.4%)5 (6.9%)0.480
Age at diagnosis, y
    Median (range)50 (21-81)48 (25-74)52 (21-81)0.0954
Histology
    Ductal13364 (91.4%)69 (95.8%)
    Other*96 (8.6%)3 (4.2%)<0.0001
Clinical T stage
    T1237 (10.0%)16 (20.8%)
    T27134 (48.6%)37 (51.4%)
    T32315 (21.4%)8 (11.1%)
    T42514 (20.0%)11 (15.3%)0.138
Clinical N stage
    N04520 (28.6%)25 (34.7%)
    N16032 (45.7%)28 (38.9%)
    N241 (1.4%)3 (4.2%)
    N33317 (24.3%)16 (22.2%)0.633
Clinical stage
    I51 (1.4%)4 (5.6%)
    II7538 (54.3%)37 (51.4%)
    III6231 (44.3%)31 (43.0%)0.513
Nuclear grade
    II3320 (28.6%)13 (18.1%)
    III10649 (70.0%)57 (79.2%)
    Not reported31 (1.4%)2 (2.8%)0.214
LVI
    Positive2821 (30.0%)7 (9.7%)
    Negative11449 (70.0%)65 (90.3%)0.005
ER
    Positive6840 (57.1%)28 (38.9%)
    Negative7430 (42.9%)44 (61.1%)0.045
PR
    Positive5031 (44.3%)19 (26.4%)
    Negative9139 (55.7%)52 (72.2%)
    Not reported101 (1.4%)0.046

Abbreviation: LVI, lymphovascular invasion.

  • *Includes lobular (n = 3) and mixed ductal/lobular (n = 6) histology.