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The differences of the CHEK1 protein in the 45 BC tissues and 15 adjacent tissues
| Adjacent (n = 15) | BC (n = 45) | Sum (n = 60) | |
|---|---|---|---|
| CHEK1 (-) | 10 (66.7%) | 5 (11.1%) | 15 (25.0%) |
| CHEK1 (+) | 5 (33.3%) | 2 (4.4%) | 7 (11.7%) |
| CHEK1 (++) | 0 (0%) | 35 (77.8%) | 35 (58.3%) |
| CHEK1 (+++) | 0 (0%) | 3 (6.7%) | 3 (5.0%) |
Fisher’s exact test: P < 0.001.
