Table 1 Major clinical characteristics of study women according to their menopausal status

Age (years)

43 ± 6.85

63.6 ± 9.42

t =  − 37.84 [95% C.I.: − 21.60 to − 19.59] P < 0.001

BMI (kg/m²)

27.5 ± 5.24

28.9 ± 7.08

t =  − 3.40 [95% C.I.: − 2.15 to − 0.64] P < 0.001

< 25

266 (66%)

184 (29.82%)

χ² = 129.30, [95% C.I.: 30.13–41.83] P < 0.0001

25–29.9

87 (21.59%)

225 (36.47%)

χ² = 25.17 [95% C.I.: 9.15–20.19] P < 0.0001

30–39.9

46 (11.41%)

180 (29.17%)

χ² = 44.54, [95% C.I.: 12.86–22.37] P < 0.0001

> 40

4 (0.99%)

28 (4.54%)

χ² = 10.09, [95% C.I.: 1.48–5.58] P < 0.002

Systemic hypertension

38 (9.43%)

310 (50.24)

χ² = 180.45, [95% C.I.: 35.70–45.45] P < 0.0001

Diabetes mellitus

12 (2.98%)

73 (11.83)

χ² = 24.97, [95% C.I.: 5.68–11.91] P < 0.0001

AUB

233 (57.82%)

183 (29.66%)

χ² = 79.96, [95% C.I.: 22.02–34.02] P < 0.0001

Use of Tamoxifen

2 (0.5%)

57 (9.24%)

χ² = 34.12, [95% C.I.: 6.32–11.30] P < 0.0001

Symptomatology

Present

239 (59.31%)

173 (28.04%)

χ² = 98.90, [95% C.I.: 25.17–37.06] P < 0.0001

Absent

164 (40.69%)

444 (71.96%)

χ² = 98.93, [95% C.I.: 25.17–37.06] P < 0.0001

Diagnostic office hysteroscopy

Yes

349 (86.6%)

500 (81.04%)

χ² = 5.39, [95% C.I.: 0.88–9.94] P < 0.05

No

54 (13.4%)

117 (18.96%)

χ² = 5.39, [95% C.I.: 0.88–9.99] P < 0.05