Table 1 Association between plasma miR-655 levels and clinicopathological characteristics in ESCC patients
| Â | Plasma miR-655 concentration | Â | ||||
|---|---|---|---|---|---|---|
Variables | High (n = 61) | Low (n = 61) | P-valuea | |||
Gender | Female | 14 | (61%) | 9 | (39%) | 0.354 |
Male | 47 | (47%) | 52 | (53%) | ||
Age (60 years old) | <  60 | 17 | (74%) | 6 | (26%) | 0.019 |
60 < | 44 | (44%) | 55 | (56%) | ||
T factor | T1,2 | 31 | (50%) | 31 | (50%) | 1.000 |
T3,4 | 30 | (50%) | 30 | (50%) | ||
N factor | N0,1 | 50 | (56%) | 39 | (44%) | 0.025 |
N2,3,4 | 11 | (33%) | 22 | (67%) | ||
Lymphatic invasion | ly0,1 | 56 | (63%) | 33 | (37%) | 0.004 |
ly2,3 | 5 | (15%) | 28 | (85%) | ||
Venous invasion | v0,1 | 48 | (51%) | 46 | (49%) | 0.243 |
v2,3 | 8 | (36%) | 14 | (64%) | ||
p Stage | Stage I | 13 | (72%) | 5 | (28%) | 0.041 |
Stage II, III, IV | 48 | (46%) | 56 | (54%) | ||
Tumor size | <  50 mm | 36 | (54%) | 31 | (46%) | 0.466 |
50 mm < | 25 | (45%) | 30 | (55%) | ||
Histology | Well and moderately differentiated | 44 | (48%) | 47 | (52%) | 0.677 |
Poorly differentiated | 17 | (55%) | 14 | (45%) | ||
Recurrences | Absent | 39 | (57%) | 30 | (43%) | 0.143 |
Present | 22 | (42%) | 31 | (58%) | ||