Table 2.
Relationship between the clinicopathological features and mean EpCAM + p75NTR+ or EpCAM + p75NTR− CTC counts in patients who underwent surgery
| Characteristics | Number | EpCAM + p75NTR+ (average ± SD) | p value | EpCAM + p75NTR− (average ± SD) | p value |
|---|---|---|---|---|---|
| Male/female | 10/0 | 16.5 ± 25.2/– | – | 12.0 ± 31.9/– | – |
| Age ≥65/>65 | 5/5 | 19.6 ± 11.9/13.4 ± 11.9 | 0.722 | 20.4 ± 45.6/23.6 ± 5.4 | 0.437 |
| Ce-Ut/Mt-Ae | 1/9 | 8.0/17.4 ± 26.6 | 0.745 | 0/13.3 ± 33.5 | 0.716 |
| pT 0–2/3–4 | 4/6 | 2.0 ± 2.8/26.2 ± 29.3 | 0.146 | 27.0 ± 50.1/2.0 ± 4.9 | 0.246 |
| pN 0/1–3 | 7/3 | 14.9 ± 27.7/20.3 ± 23.1 | 0.773 | 0.8 ± 2.3/38.0 ± 55.7 | 0.090 |
| ly 0/1–2 | 7/3 | 14.9 ± 27.7/20.3 ± 23.1 | 0.773 | 0.8 ± 2.3/38.0 ± 55.7 | 0.090 |
| v 0/1–2 | 7/3 | 5.0 ± 4.2/43.3 ± 35.6 | *0.016 | 0.8 ± 2.3/38.0 ± 55.7 | 0.090 |
| pStages 1–2/3–4 | 7/3 | 15.7 ± 27.2/18.3 ± 25.1 | 0.891 | 15.4 ± 38.2/4.0 ± 6.9 | 0.632 |
CTC circulating tumor cell, ly lymphatic invasion, v venous invasion, SD standard deviation
*p < 0.05