Table 4.
Clinicopathological characteristics of patients with large DCIS according to the number of seeds [n = 210]a
| Single seed [n = 156 (74.3%)] |
Multiple seeds (two or three) [54 (25.7%)] |
p value | |
|---|---|---|---|
| Age, years [mean (SD)] | 60.17 (9.60) | 58.07 (10.71) | 0.18 |
| DCIS size [mean (SD)] | 4.05 (1.24) | 4.73 (1.62) | 0.002 |
| Resection margins [mean (SD)] | 0.19 (0.20) | 0.17 (0.17) | 0.561 |
| Resection margin categories | |||
| < 2 mm | 130 (83.3) | 44 (81.5) | 1 |
| ≥ 2 mm | 25 (29.1) | 9 (22.0) | |
| Unknownb | 1 (0.6) | 1 (1.9) | |
| Radicality | |||
| Free | 86 (55.1) | 41 (75.9) | 0.025 |
| Focally not radical | 41 (26.3) | 5 (9.3) | |
| More than focally not radical | 28 (17.9) | 7 (13.0) | |
| Unknownb | 1 (0.6) | 1 (1.9) | |
| First re-excision | |||
| Yes | 44 (28.2) | 11 (20.4) | 0.343 |
| No | 112 (71.8) | 43 (79.6) | |
Data are expressed as n (%) unless otherwise specified
DCIS ductal carcinoma in situ, SD standard deviation
aOnly patients with large DCIS (> 3 cm) with a known number of seeds were included
bExcluded from the analysis
Bolded p-values indicate significance