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Weeks to New Tumor Development or Metastasis by Percentage Class for Histologic Grades According to the Proposed 2-Tier Grading System From 95 Cases
| Grade | n | Weeks | Analysis of Variance | Wilcoxon Rank-Sum | |||
|---|---|---|---|---|---|---|---|
| Mean | Median | F | P | χ2 | P | ||
| High | 8 | 6.30 | 3.00 | 1.50 | .2242 | 10.45 | .0012 |
| Low | 14 | 12.41 | 13.65 | ||||
