Table 2.
Detection of lymph node metastases in association with pathological results of lymph node dissection
| Patient-detected (%) | Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|---|
| OR (95% CI) | P value | OR (95% CI) | P value | ||
| Sex | 0.13 | 0.20 | |||
| Male | 48.2 | 1.0 | 1.0 | ||
| Female | 63.6 | 1.9 (0.8–4.3) | 1.8 (0.7–4.6) | ||
| Age | 0.001 | 0.007 | |||
| ≤60 | 68.9 | 1.0 | 1.0 | ||
| >60 | 32.4 | 0.2 | 0.3 (0.1–0.7) | ||
| Breslow thickness | 0.05 | 0.22 | |||
| ≤2.0 | 67.4 | 1.0 | 1.0 | ||
| >2.0 | 42.9 | 0.4 (0.2–0.8) | 0.5 (0.2–1.3) | ||
| Unknown primary | 66.7 | 0.9 (0.2–5.9) | 2.1 (0.3–15) | ||
| Lymph node region | 0.56 | ||||
| Axilla | 61.8 | 1.0 | |||
| Groin | 50.0 | 0.6 (0.3–1.5) | |||
| Neck | 57.1 | 0.8 (0.2–2.9) | |||
| Nodes removed | 0.53 | ||||
| <15 | 58.3 | 1.0 | |||
| ≥15 | 52.0 | 0.7 (0.3–1.7) | |||
| Positive nodes | |||||
| ≤2 | 47.2 | 1.0 | 0.09 | 1.0 | 0.17 |
| >2 | 64.4 | 2.0 (0.9–4.6) | 1.9 (0.7–4.9) | ||
| Tumor size (cm) | 1.2 (0.9–1.6) | 0.09 | 1.2 (0.9–1.6) | 0.17 | |
| Extranodal growth | |||||
| Yes | 66.7 | 1.0 | 0.16 | 1.0 | 0.48 |
| No | 50.7 | 0.5 (0.2–1.3) | 0.7 (0.2–2.0) | ||
Overall: 44.9% detected by physician and 55.1% by patients (P < 0.001)