Table 3.
Patients participating in the trial – treatment results.
| Clinical data | Group I | Group II | P-value |
|---|---|---|---|
| (n=505) | (n=597) | ||
| # (%) | # (%) | ||
| Need for reoperation | 72 (14.3%) | 101 (16.9%) | 0.2373 |
| Need for mastectomy | 30 (5.9%) | 58 (9.7%) | 0.0202 |
| Initial surgical margins width after BCT: | |||
| - within the range of 0–10 mm | 225 (44.6%) | 332 (55.6%) | 0.0028 |
| [mean] | [6.6 ± 4.7 mm] | [6.5 ± 4.6 mm] | 0.7219 |
| - 0 mm | 72 (14.3%) | 101 (16.9%) | |
| - 1 mm | 1 (0.2%) | 3 (0.5%) | |
| - 2–3 mm | 1 (0.2%) | 2 (0.3%) | |
| -4–5 mm | 5 (1.0%) | 19 (3.2%) | |
| - 6–10 mm | 146 (28.9%) | 207 (34.7%) | |
| over 10 mm | 280 (55.4%) | 265 (44.4%) | 0.0003 |
| Surgery duration [min] | 48.9 ± 17.3 | 42.9 ± 13.6 | <0.0001 |