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Table 1 The main indications, basal characteristics and the IVF/ICSI outcome of study population

From: Association between intrafollicular concentration of benzene and outcome of controlled ovarian stimulation in IVF/ICSI cycles: a pilot study

 

Group A (n = 19)

Group B (n = 15)

p value

Indications for IVF/ICSI

   

Male factor

7 (36.8%)

10 (66.6%)

0.16

Severe OAT

6

8

 

Mild OAT

1

2

Female factor

10 (52.6%)

5 (33.3%)

0.31

Tubal factor

7

4

 

Repeated abortions

1

0

Others female factors

2

1

Idiopathic factor

2 (10.5%)

0

0.49

Basal characteristics

   

Age (years)

31 ± 4.7

32 ± 4.8

0.74

BMI (kg/m2)

24.0 ± 3.5

25.3 ± 2.2

0.85

Intra-follicular benzene (ng/mL)

0.15 ± 0.2

1.5 ± 1.25

0.001

Baseline FSH (IU/L)

5.8 ± 1.1

11.3 ± 4.2

0.003

Baseline LH (IU/L)

3.9 ± 1.6

8.2 ± 2.5

0.07

IVF/ICSI outcome

   

Baseline E2 (pg/mL)

38.9 ± 16.1

38.4 ± 18.3

0.55

E2 peak (pg/mL)

1836.65 ± 661.9

1328.8 ± 493.0

0.008

Days of stimulation

13.2 ± 2.7

13.4 ± 2.6

0.75

Gonadotrophin vials

33.3 ± 15.2

32.65 ± 13.8

0.59

Oocytes retrieved

7.4 ± 2.5

6.6 ± 2.85

0.01

Embryos transferred

2.6 ± 0.4

2.3 ± 0.6

0.04

Ongoing pregnancy rate

4 (21%)

4 (28%)

0.89

  1. Data reported as mean ± SD or percentage [n (%)].
  2. BMI, body mass index, FSH, follicle-stimulating hormone; LH, luteinizing hormone, E2, 17β estradiol, OAT, oligoasthenoteratozoospermia.