Table 3 Number of patients with pan-cytokeratin or EpCAM positive tumor cells in the bone marrow detected with immunohistochemistry and association with patients’ characteristics (crosstabs, chi-square test, two sided)
Characteristics | Category | pan-cytokeratin | Detection rate (%) | P | EpCAM | Detection rate (%) | P |
|---|---|---|---|---|---|---|---|
All | 30 (134) | 22.3 | - | 12 (61) | 19.7 | - | |
UICC stage | I | 6 (30) | 20.0 | 0.335 | 2 (8) | 25.0 | 0.587 |
II | 7 (40) | 17.5 | 2 (14) | 14.2 | |||
III | 8 (39) | 20.5 | 3 (22) | 13.6 | |||
IV | 9 (25) | 36.0 | 5 (17) | 29.4 | |||
pT | T1 | 4 (16) | 25.0 | 0.861 | 2 (5) | 40.0 | 0.575 |
T2 | 4 (25) | 16.0 | 1 (10) | 10.0 | |||
T3 | 17 (5) | 29.4 | 7 (34) | 20.6 | |||
T4 | 5 (22) | 22.7 | 2 (12) | 16.4 | |||
pN | N0 | 14 (75) | 18.6 | 0.324 | 5 (24) | 20.8 | 0.253 |
N1 | 8 (35) | 22.8 | 2 (21) | 9.5 | |||
N2 | 8 (24) | 33.3 | 5 (16) | 31.2 | |||
Grading | G1 | 1 (9) | 11.1 | 0.702 | 0 (3) | 0 | 0.108 |
G2 | 23 (99) | 23.23 | 12 (47) | 25.5 | |||
G3 | 6 (26) | 23.1 | 0 (11) | 0 | |||
Liver | M0 | 21 (104) | 20.1 | 0.07 | 7 (44) | 15.9 | 0.287 |
Metastases | M1 | 9 (30) | 30 | 5 (17) | 29.4 |