Correlation between different parameters and claudin18.2 expression in pulmonary mucinous adenocarcinoma
| Characteristic | Claudin18.2 | P value | |
| Negative N (%) | Positive N (%) | ||
| Gender | |||
| Female | 2 (15.38) | 21 (77.78) | 0.0002 |
| Male | 11 (84.62) | 6 (22.22) | |
| Age | |||
| <65 years | 11 (84.62) | 20 (74.07) | 0.6904 |
| ≥65 years | 2 (18.38) | 7 (25.93) | |
| Size | |||
| <30 mm | 3 (23.08) | 5 (19.23) | >0.9999 |
| ≥30 mm | 10 (76.92) | 21 (80.77) | |
| Smoking | |||
| Non-smoker | 8 (66.67) | 24 (88.89) | 0.1716 |
| Smoker | 4 (33.33) | 3 (11.11) | |
| Location | |||
| Left | 6 (46.15) | 11 (40.74) | 0.7457 |
| Right | 7 (53.85) | 16 (59.26) | |
| Clinical stage | |||
| I | 7 (53.85) | 19 (70.37) | 0.4802 |
| II–IV | 6 (46.15) | 8 (29.63) | |
| CK7 | |||
| Negative | 0 (0.00) | 2 (7.41) | >0.9999 |
| Positive | 10 (100.0) | 25 (92.59) | |
| TTF-1 | |||
| Negative | 5 (50.00) | 25 (92.59) | 0.0092 |
| Positive | 5 (50.00) | 2 (7.41) | |
| Napsin A | |||
| Negative | 3 (30.00) | 25 (92.59) | 0.0003 |
| Positive | 7 (70.00) | 2 (7.41) | |
| CDX2 | |||
| Negative | 4 (57.14) | 27 (100.00) | 0.0058 |
| Positive | 3 (42.86) | 0 (0.00) | |
| CK20 | |||
| Negative | 3 (37.50) | 18 (66.67) | 0.2209 |
| Positive | 5 (62.50) | 9 (33.33) | |