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Association between the levels of CEA and ET-1 and the pathological type (x̅ ± s).
| EBC | Serum | ||||
|---|---|---|---|---|---|
| Parameter | N | CEA (mg/l) | ET-1 (ng/l) | CEA (mg/l) | ET-1 (ng/l) |
| Cancer type | |||||
| Adenocarcinoma | 75 | 3.99±1.09 | 20.07±7.24 | 19.27±5.87 | 64.96±21.87 |
| Squamous cell | 68 | 1.82±1.08 | 19.25±7.63 | 9.28±5.23 | 61.46±17.80 |
| carcinoma | |||||
| t-test | 11.946 | 0.658 | 3.977 | 1.044 | |
| P-value | <0.01 | >0.05 | <0.01 | >0.05 | |
CEA, cancer embryo antigen; ET-1, endothelin-1; EBC, exhaled breath condensate.
