Table 1 Demographic, clinical, and laboratory data of breast cancer patients with IORT and non-IORT
Variables | Non-IORT (n = 229) | IORT (n = 131) | p |
|---|---|---|---|
Age | 50 ± 63 | 51 ± 31 | NS |
Tumor side (%) | NS | ||
Right | 116 (78.5) | 62 (47.3) | |
Left | 113 (21.5) | 69 (52.7) | |
Family history (%) | 0.01 | ||
Negative | 176 (76.8) | 85 (65.5) | |
Positive | 53 (23.2) | 46 (34.5) | |
Histology (%) | NS | ||
IDC | 176 (76.8) | 99 (75.5) | |
ILC | 35 (15.3) | 20 (15.3) | |
DCIS | 14 (6.2) | 11 (8.3) | |
Other types | 4 (1.7) | 1 (0.8) | |
ER (%) | 0.01 | ||
Negative | 86 (37.5) | 33 (25.2) | |
Positive | 143 (62.5) | 98 (74.8) | |
PR (%) | NS | ||
Negative | 89 (38.9) | 43 (32.8) | |
Positive | 140 (61.1) | 88 (67.2) | |
HER-2 (%) | NS | ||
Negative | 141 (67.3) | 91 (71.7) | |
Positive | 66 (32.7) | 36 (28.3) | |
Tumor grade (%) | NS | ||
I (well differentiation) | 26 (11.4) | 18 (13.7) | |
II (mod differentiation) | 119 (51.9) | 80 (61.1) | |
III (poor differentiation) | 84 (36.7) | 33 (25.2) | |
Vascular invasion (%) | NS | ||
Negative | 147 (64.2) | 95 (72.5) | |
Positive | 82 (35.8) | 36 (27.5) | |
Perineural invasion (%) | NS | ||
Negative | 198 (86.5) | 112 (85.5) | |
Positive | 31 (13.5) | 19 (14.5) | |
Calcification (%) | NS | ||
Negative | 185 (83.7) | 114 (87.0) | |
Positive | 36 (16.3) | 17 (13.0) | |
Necrosis (%) | NS | ||
Negative | 170 (76.4) | 95 (72.5) | |
Positive | 51 (23.6) | 36 (27.5) | |
Pathological T stage (%) | NS | ||
T1 (≤ 2 cm) | 100 (43.6) | 64 (48.8) | |
T2 (> 2 cm, ≤ 5 cm) | 120 (52.4) | 67 (51.2) | |
T3 (> 5 cm) | 9 (3.9) | 0 (0) | |
Pathological N stage (%) | NS | ||
N0 | 122 (53.3) | 83 (63.4) | |
N1 (1–3) | 59 (25.7) | 29 (22.1) | |
N2 (4–9) | 23 (10.1) | 12 (9.2) | |
N3 ≥ 10 | 25 (10.9) | 7 (5.3) | |
TNM stage (%) | NS | ||
0 | 14 (6.1) | 11 (8.5) | |
I | 52 (22.7) | 41 (31.8) | |
II | 105 (45.8) | 57 (44.2) | |
III | 56 (24.4) | 20 (15.5) | |
IV | 2 (1.0) | 0 (0) |