Table 4 Monitoring count on the skin surface and clinicopathologic factors
Factor | Cases | Monitoring count on the skin surface (μT) | |||
|---|---|---|---|---|---|
Mean | Range | P value | |||
Age (y) | ≤39 | 10 | 3.36 | 2.0 ~ 6.0 | p = 0.4423, *2 |
40–49 | 14 | 3.33 | 2.5 ~ 4.5 | ||
50–59 | 11 | 3.04 | 2.0 ~ 3.8 | ||
60–69 | 14 | 2.79 | 1.5 ~ 4.0 | ||
≥70 | 13 | 3.13 | 2.0 ~ 4.5 | ||
Body mass index (kg/m2) | < 25 | 47 | 3.15 | 2.0 ~ 6.0 | 0.8297, *1 |
≥25 | 15 | 3.04 | 1.5 ~ 4.0 | ||
Tumor location | Lateral/Central | 45 | 3.11 | 1.5 ~ 4.8 | 0.7268, *1 |
Medial | 17 | 3.14 | 2.0 ~ 6.0 | ||
T Classification | Tis | 12 | 3.18 | 1.5 ~ 4.8 | 0.3634, *2 |
T1 | 42 | 3.06 | 2.0 ~ 6.0 | ||
T2/T4 | 8 | 3.35 | 2.5 ~ 4.0 | ||
Surgery | Partial mastectomy | 39 | 3.01 | 2.0 ~ 4.5 | 0.2466, *1 |
Mastectomy | 23 | 3.30 | 1.5 ~ 6.0 | ||
Histology | DCIS | 13 | 3.12 | 1.5 ~ 4.0 | 0.7149, *2 |
IDC | 36 | 3.12 | 2.0 ~ 6.0 | ||
Others | 13 | 3.12 | 2.5 ~ 4.5 | ||
SLN detection by RI method | Success | 59 | 3.13 | 1.5 ~ 6.0 | 0.7413, *1 |
Failure | 3 | 2.93 | 2.5 ~ 3.3 | ||
Metastasis of SLN | None | 50 | 3.18 | 1.5 ~ 6.0 | 0.1867, *2 |
Micrometastasis | 2 | 2.40 | 2.3 ~ 2.5 | ||
Macrometastasis | 10 | 2.95 | 2.0 ~ 4.0 | ||
*1: Mann-Whitney test, *2: Kruskal-Wallis test | |||||