Table 1.
Correlation between laminin γ2 staining and clinicopathologic factors n (%)
| Case (n = 61) |
Laminin γ2 |
P value | ||
| Positive (n = 35) | Negative (n = 26) | |||
| Age (yr) | ||||
| ≤ 65 | 25 (41) | 15 (60) | 10 (40) | |
| > 65 | 36 (59) | 20 (56) | 16 (44) | 0.47 |
| Gender | ||||
| Male | 41 (67) | 25 (61) | 16 (39) | |
| Female | 20 (33) | 10 (50) | 10 (50) | 0.29 |
| Location | ||||
| Bile duct | 30 (49) | 20 (67) | 10 (33) | |
| Gall bladder | 18 (30) | 9 (50) | 9 (50) | |
| Ampulla of Vater | 13 (21) | 6 (46) | 7 (54) | 0.34 |
| Maximum diameter (mm) | ||||
| < 30 | 41 (67) | 25 (61) | 16 (39) | |
| ≥ 30 | 20 (33) | 10 (50) | 10 (50) | 0.29 |
| Histologic type | ||||
| Tub1 & pap | 35 (57) | 16 (46) | 19 (54) | |
| Others | 26 (43) | 19 (73) | 7 (27) | 0.03 |
| Depth | ||||
| Serosa negative | 37 (61) | 17 (46) | 20 (54) | |
| Serosa positive | 24 (39) | 18 (75) | 6 (25) | 0.02 |
| Lymph node metastasis | ||||
| Absent | 29 (48) | 16 (55) | 13 (45) | |
| Present | 27 (44) | 17 (63) | 10 (37) | 0.37 |
| Stage | ||||
| < IV | 43 (70) | 21 (49) | 22 (51) | |
| ≥ IV | 17 (28) | 13 (76) | 4 (24) | 0.046 |