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| ER+ cases | ER- cases | ||
|---|---|---|---|
| ER | %PCP | ER | %PCP |
| 5+ | 100 | 1+ | 46 |
| 5+ | 100 | 0 | 30 |
| 5+ | 100 | 0 | 9 |
| 5+ | 100 | 0 | 5 |
| 5+ | 98 | ||
| 5+ | 82 | ||
| 5+ | 56 | ||
| 5+ | 36 | ||
| 4+ | 41 | ||
| 4+ | 32 | ||
| 4+ | 16 | ||
| Mean ± SE | 69.2 ± 10.0 | p = 0.011 | 22.5 ± 9.6 |
ER, estrogen receptor; PCP4, PCP4/PEP19
