Table II.
Patient characteristics and the claudin-7 expression status.
| No. of patients (%) | Claudin-7 expression | P-value | ||
|---|---|---|---|---|
|
|
||||
| High (%) | Low (%) | |||
| All patients | 75 (100) | 25 (33.3) | 50 (66.7) | |
| Age (mean ± SD) | 65.2±9.49 | 65.8±6.98 | 64.9±10.5 | 0.702 |
| Gender | ||||
| Male | 52 (69.3) | 15 (28.8) | 37 (71.2) | 0.250 |
| Female | 23 (30.7) | 10 (43.5) | 13 (56.5) | |
| Histological type | ||||
| Adenocarcinoma | 45 (60.0) | 16 (35.6) | 29 (64.4) | 0.262 |
| Squamous cell carcinoma | 25 (33.3) | 6 (24.0) | 19 (76.0) | |
| Large cell carcinoma | 5 (6.7) | 3 (60.0) | 2 (40.0) | |
| P-stage | ||||
| I | 30 (40.0) | 12 (40.0) | 18 (60.0) | 0.178 |
| II | 15 (20.0) | 2 (13.3) | 13 (86.7) | |
| III | 30 (40.0) | 11 (36.7) | 19 (63.3) | |
| Smoking | ||||
| Non-smoker | 20 (26.7) | 7 (35.0) | 13 (65.0) | 0.854 |
| Smoker | 55 (73.3) | 18 (32.7) | 37 (67.3) | |
| T-factor | ||||
| T1 | 34 (45.3) | 12 (35.3) | 22 (64.7) | 0.452 |
| T2 | 28 (37.3) | 10 (35.7) | 18 (64.3) | |
| T3 | 9 (12.0) | 1 (11.1) | 8 (88.9) | |
| T4 | 4 (5.3) | 2 (50.0) | 2 (50.0) | |
| N-factor | ||||
| N0 | 36 (48.0) | 13 (36.1) | 23 (63.9) | 0.353 |
| N1 | 11 (14.7) | 2 (18.2) | 9 (81.8) | |
| N2 | 27 (36.0) | 9 (33.3) | 18 (66.7) | |
| N3 | 1 (1.3) | 1 (100) | 0 (0.0) | |