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Table 1 The changes of the pathology type before and after treatment in control groups

From: Decreased expression of survivin, estrogen and progesterone receptors in endometrial tissues after radiofrequency treatment of dysfunctional uterine bleeding

Histopathological types

Control groups n(%)

Statistics

 

Before treatment

After treatment

χ 2

P

Fibrous connective tissue and granulation tissue

0 (0.0%)

0 (0.0%)

-

-

Some endometrial glands and granulation tissue

0 (0.0%)

0 (0.0%)

-

-

Proliferative endometrium

8 (25.0%)

15 (46.9%)

3.326

>0.05

Simple hyperplasia

14 (43.8%)

12 (37.5%)

0.259

>0.05

Complex hyperplasia

10 (31.2%)

5 (15.6%)

2.177

>0.05

  1. Statistics is Fisher probabilistic method (compared with before treatment). n, number of cases.