Variable | No. of patients | miR-506 expression [case (%)] | χ2 | P value | |
---|---|---|---|---|---|
Low | High | ||||
Age (years) | |||||
 ≤59 | 57 | 41 (71.9) | 16 (28.1) | 2.194 | 0.139 |
 >59 | 53 | 31 (58.5) | 22 (41.5) |  |  |
Sex | |||||
 Men | 63 | 45 (71.4) | 18 (28.6) | 2.327 | 0.127 |
 Women | 47 | 27 (57.4) | 20 (42.6) |  |  |
Tumor site | |||||
 Head | 51 | 35 (68.6) | 16 (31.4) | 1.551 | 0.461 |
 Uncinate process | 32 | 22 (68.8) | 10 (31.2) |  |  |
 Body and tail | 27 | 15 (55.6) | 12 (44.4) |  |  |
Tumor size (cm) | |||||
 ≤4 | 67 | 45 (67.2) | 22 (32.8) | 0.222 | 0.638 |
 >4 | 43 | 27 (62.8) | 16 (37.2) |  |  |
Histologic grade | |||||
 G1, G2 | 68 | 39 (57.4) | 29 (42.6) | 5.170 | 0.023 |
 G3 | 42 | 33 (78.6) | 9 (21.4) |  |  |
pT category | |||||
 T1, T2 | 28 | 12 (42.9) | 16 (57.1) | 8.482 | 0.004 |
 T3, T4 | 82 | 60 (73.2) | 22 (26.8) |  |  |
Lymph node metastasisa | |||||
 No | 74 | 45 (60.8) | 29 (39.2) | 4.542 | 0.033 |
 Yes | 21 | 18 (85.7) | 3 (14.3) |  |  |