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Correlation between histological grades and survivin expression
| Positive | Poorly | Moderately | Well | Sum | Mean |
| degree | differentiated | differentiated | differentiated | ranks | |
| + | 1 | 13 | 4 | 18 | 9.5 |
| ++ | 8 | 11 | 1 | 20 | 28.5 |
| +++ | 10 | 5 | 1 | 16 | 46.5 |
| ++++ | 4 | 3 | 0 | 7 | 58 |
| n | 23 | 32 | 6 | 61 |
Hc = 12.8, P < 0.005 between poorly, moderately and well differ-entiated gastric carcinomas.
