Table 1 Clinicopathological features in postoperative colorectal cancer patients
Features | Group, n (%) | P-value | |
|---|---|---|---|
CTC-WBC | CTC | ||
Age (years) | 0.457 | ||
≥ 65 | 19 (30.2) | 68 (25.6) | |
< 65 | 44 (69.8) | 198 (74.4) | |
Gender | 0.335 | ||
Male | 45 (71.4) | 173 (65.0) | |
Female | 18 (28.6) | 93 (35.0) | |
Type of surgery | 0.45 | ||
Radical surgery | 54 (85.7) | 237 (89.1) | |
Palliative surgery | 9 (14.3) | 29 (10.9) | |
Histological type | 0.835 | ||
Nonspecific adenocarcinoma | 58 (92.1) | 236 (88.7) | |
Specific adenocarcinoma | 2 (3.2) | 15 (5.6) | |
Mixed | 3 (4.8) | 15 (5.6) | |
Depth of tumor invasion | 0.096 | ||
pT4 | 23 (36.5) | 132 (49.6) | |
pT3 | 29 (46.0) | 91 (34.2) | |
pT2 | 10 (15.9) | 29 (10.9) | |
pT1 | 1 (1.6) | 14 (5.3) | |
Lymph node metastasis | 0.468 | ||
pN2 | 17 (27.0) | 53 (19.9) | |
pN1 | 17 (27.0) | 78 (29.3) | |
pN0 | 29 (46.0) | 135 (50.8) | |
pTNM stage | 0.383 | ||
IV | 9 (14.3) | 21 (7.9) | |
III | 26 (41.3) | 118 (44.4) | |
II | 19 (30.2) | 95 (35.7) | |
I | 9 (14.3) | 32 (12.0) | |
Postoperative liver metastasis | 0.274 | ||
Liver metastasis | 5 (7.9) | 10 (3.8) | |
Non-liver metastasis | 58 (92.1) | 256 (96.2) | |
Preoperative CA199 | 0.175 | ||
≤ 37, ug/L | 52 (82.5) | 199 (74.8) | |
> 37, ug/L | 10 (15.9) | 46 (17.3) | |
Missing | 1 (1.6) | 21 (7.9) | |
Preoperative CEA | 0.296 | ||
≤ 5, ug/L | 45 (71.4) | 168 (63.2) | |
> 5, ug/L | 16 (25.4) | 76 (28.6) | |
Missing | 2 (3.2) | 22 (8.3) | |
Number of CTC | < 0.001 | ||
≤ 6 | 21 (33.3) | 155 (58.3) | |
> 6 | 42 (66.7) | 111 (41.7) | |
Type of CTC | 0.433 | ||
Mesenchymal or mixed | 55 (87.3) | 241 (90.6) | |
Epithelial only | 8 (12.7) | 25 (9.4) | |