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Table 1 Association between disease grade and copy number

From: Septin 9 isoform expression, localization and epigenetic changes during human and mouse breast cancer progression

Grade Normal copy number 1 or 2 extra copies 3 or 4 extra copies > 4 extra copies
BB (n = 7) 7 0 0 0
DCIS (n = 29) 16 8 4 1
Well diff. (n = 1) 1 0 0 0
Moderately diff. (n = 13) 2 5 5 1
Poorly diff. (n = 10) 2 6 1 1
  1. p-value (Exact chi-square test for association) < 0.05; p-value (exact CMH test for non-zero correlation) = < 0.05
  2. BB: benign breast; DCIS: ductal carcinoma in situ; diff.: differentiated.