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PROS1 expression in castration-resistant metastatic prostate cancers
| Tissue type | Number of positive coresa | Staining percentage | p value compared with normalb |
|---|---|---|---|
| % | |||
| Normal prostate | 1/8 | 12.5 | NAc |
| Lung and liver metastasis | 16/19 | 84.2 | 0.0009 |
| Lymph node metastasis | 21/28 | 75.0 | 0.0026 |
| Bone metastasis | 51/72 | 70.8 | 0.0022 |
a Positive staining means a score of 2 or higher, based on the pathologist's score (see Fig. 3 legend).
b p value was calculated using a χ2 test.
c Not applicable.
