Table 2. Protein expressions in different ovarian cancer tissues.
| Variable | Expressions in benign ovarian cancer tissues | Expressions in malignant ovarian cancer tissues | P value | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | − | + | ++ | +++ | Positive rate (%) | n | − | + | ++ | +++ | Positive rate (%) | |||
| CA125 | 60 | 54 | 6 | 0 | 0 | 10 | 253 | 6 | 42 | 2 | 0 | 88 | <0.05 | |
| CK7 | 44 | 16 | 0 | 0 | 26.7 | 2 | 46 | 0 | 1 | 95.9 | <0.05 | |||
| CK20 | 55 | 5 | 0 | 0 | 8.3 | 32 | 4 | 0 | 0 | 11.1 | >0.05 | |||
| ER | 49 | 11 | 0 | 0 | 18.3 | 57 | 28 | 31 | 13 | 55.8 | <0.05 | |||
| PR | 47 | 13 | 0 | 0 | 21.6 | 95 | 19 | 8 | 5 | 26.4 | >0.05 | |||
| C-erbb2 | 59 | 1 | 0 | 0 | 1.7 | 106 | 7 | 0 | 0 | 6.2 | <0.05 | |||
| P-gp | 57 | 3 | 0 | 0 | 5.0 | 44 | 6 | 5 | 2 | 22.8 | <0.05 | |||
−, negative; +, weak positive; ++, moderate positive; +++, strong positive. ER, estrogen receptor; PR, progesterone receptor.