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Table 2 The changes of the pathology type before and after treatment in REA groups

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

Histopathological types

REA group n(%)

Statistics

 

Before treatment

After treatment

χ 2

P

Fibrous connective tissue and granulation tissue

0 (0.0%)

20 (30.3%)

23.030

<0.01

Some endometrial glands and granulation tissue

0 (0.0%)

27 (40.9%)

32.832

<0.01

Proliferative endometrium

16 (24.2%)

13 (19.7%)

0.461

>0.05

Simple hyperplasia

30 (45.5%

4 (6.1%)

25.611

<0.01

Complex hyperplasia

20 (30.3%)

2 (3.0%)

17.220

<0.01

  1. Statistics is Fisher probabilistic method (compared with before treatment).
  2. n, number of cases; REA, radiofrequency endometrial ablation.