Pathological pattern of endometrial abnormalities in postmenopausal women with bleeding or thickened endometrium

Table 1 Endometrial pathology pattern in the postmenopausal women

Group	Endometritis	Polyps	Hyperplasia		Myoma	Polypoid adenomyoma		Cancer	Total
			Without atypia	With atypia		Without atypia	With atypia
PMB, n (%)	6 (7.1)	43 (51.2)	7 (8.3)	7 (8.3)	5 (6.0)	1 (1.2)	1 (1.2)	14 (16.7)	84 (44.9)
Asymptomatic, n (%)	6 (6.4)	72 (76.6)	7 (7.4)	2 (2.1)	3 (3.2)	2 (2.1)	1 (1.1)	1 (1.1)	94 (50.3)
Additional	1	7 (77.8%)	0	0	1	0	0	0	9 (4.8%)
Total, n (%)	13 (7.0)	122 (65.2)	14 (7.5)	9 (4.8)	9 (4.8)	3 (1.6)	2 (1.1)	15 (7.5)	187

PMB: Postmenopausal bleeding.

Table 2 Comparison of hysteroscopy and histopathologic findings

Hysteroscopy	Histopathology
	Endometritis	Polyps	Hyperplasia		Myoma	Polypoid adenomyoma		Cancer	Total
			Without atypia	With atypia		Without atypia	With atypia
Endometritis	13								13
Polyps		119	6	7		3	2	1	138
Hyperplasia		3	8	2					13
Myoma					9				9
Cancer								14	14
Total	13	122	14	9	9	3	2	15	187

Table 3 Sensitivity, specificity, positive predictive value and negative predictive value of hysteroscopy

	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
Endometritis	100	100	100	100
Polyps	97.5	70.8	86.2	93.9
Hyperplasia	43.5	98.2	77.0	92.5
Myoma	100	100	100	100
Cancer	93.3	100	100	99.4

PPV: Positive predictive value; NPV: Negative predictive value.