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Table 3 Patients’ characteristics association with the cf-nDNA and the relative cf-mtDNA (cf-ND1/cf-β-globin ratio) levels in individual human follicular fluid

From: Cell-free mitochondrial DNA in human follicular fluid: a promising bio-marker of blastocyst developmental potential in women undergoing assisted reproductive technology

Variable

Mean

n (%)

Min-Max

SD

cf-nDNA

relative cf-mtDNA

β ± SE

p

β ± SE

p

Age (years)

32.13

225 (100)

21–45

4.85

−0.034 ± 0.03

0.25

0.22 ± 0.085

0.009

BMI (kg/m2)

22.38

225 (100)

16.6–33.9

3.58

0.069 ± 0.044

0.12

−0.15 ± 0.13

0.25

AMH (ng/ml)

3.37

219 (97.3)

0.33–8.67

1.99

0.0007 ± 0.075

0.70

0 ± 0.20

0.89

Basal FSH (IU/L)

7.49

225 (100)

1.79–17.52

2.60

0.025 ± 0.057

0.66

−0.27 ± 0.16

0.09

Basal LH (IU/L)

4.45

225 (100)

0.51–21.41

2.49

0.001 ± 0.059

0.25

0.016 ± 0.17

0.61

Basal E2 (pg/ml)

43.56

225 (100)

6–299.8

39.24

0 ± 0.004

0.88

0.006 ± 0.010

0.26

Antral follicle count

17.48

225 (100)

3–40

7.84

0.026 ± 0.017

0.012

−0.050 ± 0.053

0.34

Days of stimulation

9.75

225 (100)

3–22

2.74

−0.019 ± 0.05

0.039

0.0023 ± 0.15

0.48

Total dose of gonadotropins (IU)

2089.69

225 (100)

225–6800

835.12

−0.027 ± 0.0002

0.015

0.0014 ± 0.0005

0.58

Ultra-long protocol

–

97 (43.11)

–

–

   

ref

Long protocol

–

17 (7.56)

–

–

0.054 ± 0.57

0.96

−1.56 ± 1.64

0.34

Antagonist protocol

–

71 (31.56)

–

–

0.17 ± 0.34

0.63

−0.18 ± 0.98

0.86

PPOS

–

40 (17.78)

–

–

−0.37 ± 0.41

0.36

1.33 ± 1.17

0.26

  1. Data are presented as means ±standard deviation (SD). β ± SE, regression coefficient ± standard error. P-values is the result of linear mixed models. Statistical significance was assumed at P < 0.05.BMI, body mass index. FSH follicle-stimulating hormone, LH luteinizing hormone, E2 17β-estradiol, AMH anti-Müllerian hormone, PPOS progestin-primed ovarian stimulation