Endometrial thickness (mm)

Atrophic endometrium (n = 21)

Endometrial polyp (n = 29)

Endometrial hyperplasia (n = 34)

Endometrial carcinoma (n = 16)

ANOVA

p-value

Mean ± SD

5.43 ± 0.68

10.31 ± 2.94a

12.94 ± 3.82ab

19.06 ± 3.43abc

63.292

<0.001**

Range

5 - 7

6 - 17

8 - 21

12 - 25