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Table 1.

Expression level of Ki-67 in different endometrial tissues

Type of tissue Immunostaining of Ki-67 Total
Positive Negative
Simple hyperplasia 4 (40%) 6 (60%) 10 (16.7%) P-value=0.0001
Complex hyperplasia 16 (80%) 4 (20%) 20 (33.3%)
Atypical hyperplasia 6 (100%) 0 6 (10%)
Endometrial carcinoma 24 (100%) 0 24 (40%)
Total 50 (83.3%) 10 (16.7%) 60 (100%)