Table 3. The correlation between CTCs detection rate and clinical features.
| Clinical indicators | CTCs detection rate (%) | χ2 | P value | |
|---|---|---|---|---|
| Positive, N=28 (70.0) | Negative, N=12 (30.0) | |||
| Gender | 1.231 | 0.315 | ||
| Female | 11 (27.5) | 7 (17.5) | ||
| Male | 17 (42.5) | 5 (12.5) | ||
| Differentiation | 0.139 | 0.933 | ||
| Low differentiation | 6 (15.0) | 3 (7.5) | ||
| Middle and low differentiation | 11 (27.5) | 5 (12.5) | ||
| Medium differentiation | 11 (27.5) | 4 (10.0) | ||
| Tumor stage | 13.614 | 0.003 | ||
| Stage I | 1 (2.5) | 5 (12.5) | ||
| Stage II | 6 (15.0) | 4 (10.0) | ||
| Stage III | 10 (25.0) | 3 (7.5) | ||
| Stage IV | 11 (27.5) | 0 (0.0) | ||
CTC, circulating tumor cell.