Table 1 Patient characteristics in the NCCTG N9831 and NeoALTTO.
N9831 (N = 1268) | NeoALTTO (N = 244) | Total (N = 1512) | P valuea | |
|---|---|---|---|---|
Age (years) | 0.1968 | |||
Mean (SD) | 50.0 (±10.6) | 48.9 (±11.3) | 49.9 (±10.7) | |
Median | 50.0 | 49.0 | 50.0 | |
Range | (22.0–80.0) | (23.0–79.0) | (22.0–80.0) | |
Tumor size (cm) | <0.0001 | |||
Mean (SD) | 2.9 (±1.8) | 10.8 (±15.4) | 4.2 (±7.0) | |
Median | 2.5 | 4.2 | 2.6 | |
Range | (0.1–15.0) | (2.1–90.0) | (0.1–90.0) | |
Lymph node status | <0.0001 | |||
N0 or N1 | 745 (58.8%) | 206 (84.4%) | 951 (62.9%) | |
N2 or N3 | 523 (41.2%) | 38 (15.6%) | 561 (37.1%) | |
Tumor grade | <0.0001 | |||
Missing | 15 | 122 | 137 | |
Grade 1 | 23 (1.8%) | 11 (9.0%) | 34 (2.5%) | |
Grade 2 | 324 (25.9%) | 57 (46.7%) | 381 (27.7%) | |
Grade 3 | 906 (72.3%) | 54 (44.3%) | 960 (69.8%) | |
ER status | 0.2440 | |||
Negative | 598 (47.2%) | 125 (51.2%) | 723 (47.8%) | |
Positive | 670 (52.8%) | 119 (48.8%) | 789 (52.2%) | |
ARMb | 0.3635 | |||
A or 1 | 445 (35.1%) | 85 (34.8%) | 530 (35.1%) | |
B or 2 | 449 (35.4%) | 77 (31.6%) | 526 (34.8%) | |
C or 3 | 374 (29.5%) | 82 (33.6%) | 456 (30.2%) |
