Table 2.
Disease characteristics and cancer treatment (N=104)a
| P-value | |||
|---|---|---|---|
| Stage of breast cancer | 0.52 | ||
| I | 26 (50) | 25 (48) | |
| II | 21 (40) | 19 (37) | |
| III | 4 (8) | 8 (15) | |
| N/A | 1 (2) | 0 | |
| Type of surgery | 0.69 | ||
| Lumpectomy only | 25 (48) | 23 (44) | |
| Mastectomy | 24 (46) | 28 (54) | |
| N/A | 3 (6) | 1 (2) | |
| Type of node dissection | 0.99 | ||
| Sentinel (SND) only | 9 (17) | 10 (19) | |
| Axillary (AND) | 40 (77) | 39 (75) | |
| Neither | 0 | 1 (2) | |
| N/A | 3 (6) | 2 (4) | |
| Positive nodes (#) | 0.50 | ||
| 0 | 30 (58) | 35 (67) | |
| 1–3 | 15 (29) | 10 (19) | |
| 4–9 | 6 (12) | 7 (13) | |
| 10+ | 0 | 0 | |
| N/A | 1 (2) | 0 | |
| Chemotherapy (yes) | 31 (60) | 31 (60) | 0.90 |
| Tamoxifen (yes) | 23 (44) | 26 (50) | 0.50 |
| Radiation therapy (yes) | 36 (69) | 31 (60) | 0.24 |
| Arm volume (mean) | 1,754.3±495.6 | 1,699.5±396.8 | 0.60 |
AND axillary lymph node dissection, SND sentinel lymph node dissection
a
p value from t test or Wilcoxon rank-sum for continuous variables or chi-square or Fisher’s exact test for categorical variables