Table 1 Baseline characteristics of the study population.
Characteristics | Total | ICG-F + SONO | SONO | p value |
|---|---|---|---|---|
(n = 414) n (%) | (n = 114) n (%) | (n = 300) n (%) | ||
Mean age (years) | 54.1 ± 10.07 | 52.43 ± 9.75 | 54.73 ± 10.13 | 0.04 |
Tumor size (cm) | 1.5 (0.1–7.5) | 1.3 (0.1–5.0) | 1.6 (0.1–7.5) | < 0.01 |
Histologic type | ||||
DCIS | 50 (12.1) | 12 (10.5) | 38 (12.7) | 0.55 |
Invasive | 364 (87.9) | 102 (89.5) | 262 (87.3) | |
Axillary surgery | ||||
NA | 15 (3.6) | 7 (6.1) | 8 (2.7) | 0.14 |
SLNB/ALNS | 399 (96.4) | 107 (93.9) | 292 (97.3) | |
Pathologic T stage | ||||
Tis | 50 (12.1) | 12 (10.5) | 38 (12.7) | < 0.01 |
T1 | 259 (62.6) | 85 (74.6) | 174 (58.0) | |
T2 | 105 (25.4) | 17 (14.9) | 88 (29.3) | |
Pathologic N stage | ||||
Nx | 15 (3.6) | 7 (6.1) | 8 (2.7) | 0.01 |
N0 | 323 (78) | 96 (84.2) | 227 (75.7) | |
N1 | 66 (15.9) | 11 (9.7) | 55 (18.3) | |
N2 | 9 (2.2) | 0 (0.0) | 9 (3.0) | |
N3 | 1 (0.2) | 0 (0.0) | 1 (0.3) | |
ER | ||||
Negative | 81 (19.6) | 16 (14.0) | 65 (21.7) | 0.08 |
Positive | 333 (80.4) | 98 (86.0) | 235 (78.3) | |
PR | ||||
Negative | 138 (33.3) | 34 (29.8) | 104 (34.7) | 0.35 |
Positive | 276 (66.7) | 80 (70.2) | 196 (65.3) | |
HER 2 | ||||
Negative | 137 (33.1) | 96 (84.2) | 101 (33.7) | 0.51 |
Equivocal | 143 (34.5) | 16 (14.0) | 99 (33.0) | |
Positive | 72 (17.4) | 0 (0.0) | 51 (17.0) | |
NA | 62 (15.0) | 2 (1.8) | 49 (16.3) | |
