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Table 1 Baseline characteristics and IVF-ET data of the women in the different AMH and age groups

From: Serum anti-Müllerian hormone levels are associated with early miscarriage in the IVF/ICSI fresh cycle

Characteristics

Age < 35 y (n = 1531)

Age ≥ 35 y (n = 715)

Low AMH (n = 324)

Medium AMH (n = 746)

High AMH (n = 461)

P- value

Low AMH (n = 272)

Medium AMH (n = 343)

High AMH (n = 100)

P- value

Age (years)

31 (20–34) a

31 (20–34) b

30 (20–34) c

 < 0.0001

37 (35–46) a

37 (35–46) b

36 (35–42) c

 < 0.0001

AMH (ng/ml)

1.10 (0.06–1.60) a

2.70 (1.61–3.98) b

5.22 (3.99–16.21) c

 < 0.0001

1.05 (0.02–1.60) a

2.50 (1.61–3.91) b

5.00 (4.00–14.30) c

 < 0.0001

BMI (kg/m2)

22.6 (20.7–25.4) a, b

22.3 (16.0–33.3) b

22.8 (15.6–36.1) a

0.007

23.0 (16.0–33.2)

23.0 (16.5–35.8)

23.0 (17.2–33.9)

0.931

Previous conception [% (n/N)]

24.4 (79/324)

24.1 (180/746)

23.2 (107/461)

0.912

44.5 (121/272)

47.2 (162/343)

45.0 (45/100)

0.780

Duration of infertility (years)

4 (1–14)

4 (1–12)

4 (1–14)

0.636

4 (1–20)

4 (1–17)

5 (1–16)

0.377

Primary infertility [% (n/N)]

62.0 (201/324)

60.9 (454/746)

62.3 (287/461)

0.869

39.0 (106/272)

35.6 (122/343)

42.0 (42/100)

0.441

Main diagnosis

   

 < 0.0001

   

 < 0.0001

Ovulation disorder

6.2 (20/324) a

7.5 (56/746) a

26.5 (122/461) b

 

2.6 (7/272) a

7.6 (26/343) b

19.0 (19/100) c

 

Tubal factor

42.3 (137/324) a, b

48.1 (359/746) b

37.7 (174/461) a

 

41.5 (113/272)

41.4 (142/343)

46.0 (46/100)

 

Male factor

17.3 (56/324) a

23.3 (174/746) a, b

24.5 (113/461) b

 

15.8 (43/272)

18.1 (62/343)

17.0 (17/100)

 

Endometriosis

15.7 (51/324) a

10.7 (80/746) a

5.2 (24/461) b

 

12.9 (35/272)

10.8 (37/343)

7.0 (7/100)

 

Unexplained

18.5 (60/324) a

10.3 (77/746) b

6.1 (28/461) c

 

27.2 (74/272) a

22.2 (76/343) a

11.0 (11/100) b

 

Internal medicine diseases

8.6 (28/324)

7.6 (57/746)

6.1 (28/461)

0.372

4.8 (13/272)

8.5 (29/343)

6.0 (6/100)

0.186

  1. AMH anti-Müllerian hormone, BMI body mass index
  2. Continuous data are shown as the median (range) and were analysed using the Kruskal–Wallis test
  3. Categorial variables are shown as percentages (number) and were analysed using the chi-square test
  4. The superscripts including the same letter indicate that there was no significant difference among the women with different AMH levels