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Table 4 Patients’ characteristics and clinical outcomes when CE was defined as ≥ 5 PCs in 10 HPFs

From: Histological diagnostic criterion for chronic endometritis based on the clinical outcome

 

Non-CE

CE

P value

N = 42

N = 11

Age (y), Median, IQR

36 (33–37)

38 (37–39)

0.04

Gravidity, Median, IQR

0 (0–2)

0 (0–2)

0.15

Parity, Median, IQR

0 (0–1)

0 (0–2)

0.023

BMI (kg/m2), Median, IQR

21.8 (19.6–24.1)

20.9 (20.1–25.9)

0.90

Smoking habit (%)

0

0

1

FSH (mIU/mL), Median, IQR

8.7 (6.9–9.8)

9 (7.6–10.3)

0.42

Previous OPU cycles, Median IQR

1.5 (1–4)

1 (1–3)

0.46

EM thickness (mm), Mean ± SD

10.4 ± 2.0

10.2 ± 2.1

0.77

Rate of good blastocysts (%)

59.5 (25/42)

72.3 (8/11)

0.5

Infertility cause

 Tubal factor

11

4

0.71

 Ovarian factor

6

2

0.67

 Endometriosis

11

2

0.71

 ASA

0

0

1

 Fertilization failure

2

0

1

 Male factor

12

1

0.26

 Unexplained fertility

11

3

1

Pregnancy rate (%)

50 (15/42)

36.4 (4/11)

0.51

Live birth rate (%)

35.7 (15/42)

9.1 (1/11)

0.14

Miscarriage rate (%)

28.6 (6/21)

75 (3/4)

0.12

  1. CE chronic endometritis, PCs plasma cells, non-CE non chronic endometritis, HPF high-power field, SD standard deviation, IQR interquartile range, BMI body mass index, FSH follicle stimulate hormone, OPU ova pick up, EM endometrial, ASA anti-sperm antibody positive