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AQP5 expression in different pathological tissues.
| AQP5 expression | |||||||
|---|---|---|---|---|---|---|---|
| Pathological features | n | – | + | ++ | +++ | χ2 | P-value |
| Histological type | |||||||
| Squamous cell carcinoma | 28 | 20 | 5 | 2 | 1 | 14.38 | 0.002 |
| Adenocarcinoma | 50 | 16 | 8 | 14 | 12 | ||
| Adenosquamous carcinoma | 16 | 4 | 3 | 6 | 3 | ||
| Differentiationa | |||||||
| Well | 15 | 8 | 3 | 2 | 2 | 2.16 | 0.904 |
| Moderate | 33 | 16 | 6 | 6 | 5 | ||
| Poor | 30 | 12 | 4 | 8 | 6 | ||
| TNM staging | |||||||
| I | 15 | 11 | 1 | 2 | 1 | 18.73 | 0.027 |
| II | 33 | 14 | 5 | 9 | 5 | ||
| III | 36 | 16 | 5 | 4 | 11 | ||
| IV | 10 | 1 | 3 | 5 | 1 | ||
16 cases could not be staged. AQP5, aquaporin 5; TNM, tumor-node-metastasis.
