Table 1 Median numbers of lymph nodes sampled according to the characteristics of the patient, tumor, and grossing pathologist (N = 226 patients with stage III colorectal adenocarcinoma)
Characteristics | Median (MAD) | p value |
|---|---|---|
Sex | 0.16 | |
Female | 22.0 (8.9) | |
Male | 21.0 (7.4) | |
Tumor site | < 0.001 | |
Rectum | 19.0 (5.9) | |
Colon | 25.0 (8.9) | |
Neoadjuvant therapy | < 0.001 | |
No neoadjuvant therapy | 24.0 (8.9) | |
Chemotherapy and/or radiotherapy | 18.0 (4.5) | |
Grade | 0.52 | |
Well-differentiated or moderately differentiated | 22.0 (8.9) | |
Poorly differentiated | 21.5 (7.4) | |
Histologic subtype | 0.73 | |
Classic | 22.0 (8.9) | |
Mucinous | 21.0 (8.9) | |
Grossing pathologist’s sex | 0.084 | |
Female | 23.0 (8.9) | |
Male | 20.0 (7.4) | |
Grossing pathologist’s level of training | 0.010 | |
Resident | 21 (7.4) | |
Fellow or specialist | 22 (8.9) |