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Table 1 General characteristics of the study population

From: A new ovarian response prediction index (ORPI): implications for individualised controlled ovarian stimulation

 

General population (n=101)

GnRH agonist protocol (n=60)

GnRH antagonist protocol (n=41)

P

Age (years)

34.1±5.1 (21–39)

34.1±5.4 (21–39)

34.1±4.7 (26–39)

ns

AMH (ng/ml)

1.8±1.8(0.01-9.6)

1.5±1.3 (0.01-8.2)

2.3±2.2 (0.01-9.6)

ns

AFC (n) (2–9 mm)

12.5±6.2 (2–34)

11.8±5.3 (2–34)

13.6±7.1 (4–28)

ns

ORPI

1.0±1.5(0–8.8)

0.7±1.2(0–8.8)

1.3±1.8(0–7.6)

ns

BMI

24.6±4.1

24.0±4.1

25.6±3.8

ns

Tobacco use

4% (4/101)

3.3% (2/60)

4.9% (2/41)

ns

Regular alcohol use

1% (1/101)

1.7% (1/60)

0/41

ns

Time of infertility (years)

4.9±3.3

5.1±3.6

4.1±2.7

ns

Aetiology (%)

   

ns

-Male

35.6% (36/101)

41.6% (25/60)

26.8% (11/41)

 

-Idiopathic

25.7% (26/101)

20% (12/60)

34.1% (14/41)

 

-Tuboperitoneal

17.8% (18/101)

16.7% (10/60)

19.5% (8/41)

 

-Endometriosis

12.9% (13/101)

15% (9/60)

9.8% (4/41)

 

-Tuboperitoneal+endometriosis

4% (4/101)

3.3% (2/60)

4.9% (2/41)

 

-Male+endometriosis

3% (3/101)

1.7% (1/60)

4.9% (2/41)

 

-Male+tuboperitoneal

1% (1/101)

1.7% (1/60)

0.0% (0/41)

 

Infertility

   

ns

-Primary

78.2% (79/101)

81.7% (49/60)

73.2% (30/41)

 

-Secondary

21.8% (22/101)

18.3% (11/60)

26.8% (11/41)

 

Total dose FSH (UI)

1956±804

2136±774

1692±782

ns

Total dose LH (UI)

982±351

1035±322

903±380

ns

Time of stimulation (days)

10.2±2.1

10.6±2.1

9.5±1.9

ns

Follicles (n) (hCG day)

    

-≥10 mm

12.8±8.6

12.8±7.3

12.8±10.4

ns

-≥16 mm

5.7±3.5

6.2±3.4

4.9±3.5

ns

-≥18 mm

3.8±2.6

4.2±2.2

3.3±2.9

ns

Retrieved oocytes

    

-Total

9.7±7.1

9.7±6.0

9.6±8.4

ns

-Metaphase II stage

6.9±5.2

7.1±4.6

6.6±6.0

ns

-Metaphase I stage

1.3±1.8

1.2±1.6

1.5±2.1

ns

-Germinal vesicle stage

0.8±1.1

0.8±1.2

0.7±1.0

ns

Clinical pregnancy rate

32.7% (33/101)

31.2% (19/60)

34.1% (14/41)

ns

  1. AMH: anti-Müllerian hormone ORPI: ovarian response prediction index.
  2. AFC: antral follicle count BMI: body mass index.
  3. ns: not significant.
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Reproductive Biology and Endocrinology

ISSN: 1477-7827

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