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Table 2 Baseline and cycle characteristics of the patients

From: Endometriosis fertility index score maybe more accurate for predicting the outcomes of in vitrofertilisation than r-AFS classification in women with endometriosis

Characteristic

Total

EFI

r-AFS

≤5 score

≥6 score

t(z)

P c

I-II stage

III-IV stage

t(z)

P d

No. of cycles

199

84

115

  

61

138

  

Average age(y)a

32.0 ± 4.2

33.3 ± 4.9

31.1 ± 3.3

3.789

0.000

32.5 ± 3.7

31.8 ± 4.4

1.085

0.279

Duration of infertility(y)b

5.0(3.0–7.0)

6.0(4.0–9.0)

4.0(2.0-6.0)

−3.893

0.000

5.0(3.5–7.0)

4.0(2.0–7.0)

−1.176

0.240

BMI(kg/m2)b

20.2(18.8–21.7)

20.2 (18.2–22.0)

20.3(18.9–21.7)

−0.374

0.708

20.6(19.1–21.8)

20.0(18.5–21.6)

−1.013

0.311

bFSH(iu/L)b

8.1(6.7–9.9)

8.6 (6.9–11.7

8.0(6.6–9.3)

−1.645

0.100

7.9(6.3–9.3)

8.3(6.9–11.0)

−1.683

0.092

bLH(iu/L)b

3.8(2.7–5.5)

3.8(2.7–5.3)

3.8(2.9–5.6)

−0.009

0.993

3.7(2.7–5.5)

4.0(2.9–5.5)

−0.706

0.480

E2(ng/L)b

42.4(27.0–61.9)

47.4(29.7–57.9)

42.0(27.3–64.7)

−0.957

0.339

42.0(22.9–64.3)

45.9(27.1–60.5)

−0.864

0.388

Antral follicle countb

10(6.0–14.0)

8.5(6.0–13.0)

11.0(8.0–14.0)

−2.212

0.027

10.0(8.0–14.0)

9.5(6.0–14.0)

−1.662

0.097

E2 level on DHCG (ng/L)b

1987.2(1122.6–3369.1)

1661.3 (925.2–3599.5)

2110.3(1239.8–3334.0)

−1.255

0.209

2352.6 (1331.7–4241.5)

1796.9 (1012.2–3251.3)

−2.065

0.039

Start dose of Gn(iu/day)b

225.0 (150.0–300.0)

225.0(150.0–300.0)

225.0(150.0–225.0)

−2.401

0.016

225.0 (150.0–225.0)

225.0 (150.0–300.0)

−1.853

0.064

Duration of stimulation(d)b

10(9.0 ~ 12.0)

10(9.0–12.0)

10(9.0–12.0)

−0.497

0.619

11(9–11)

10(9–12)

−0.214

0.830

Total dose of Gn(iu)a

2286.6 ± 926.4

2439.3 ± 1076.8

2175.0 ± 785.3

−1.909

0.058

2169.6 ± 784.5

2338.3 ± 980.8

−1.186

0.237

  1. Note: The Shapiro-Wilk test was performed to determine the normality of distribution. P >0.05 indicates the data followed a normal distribution.
  2. aThe normally distributed data are presented as mean ± SD, including age and total dose of Gn. The t-test was performed to analyse statistical significance.
  3. bThe non-normally distributed data are presented as median (25th-75th percentile). The non-parametric Mann–Whitney test was performed to calculate the Z-score.
  4. cComparison between the two EFI score groups (score ≤5 vs score ≥6).
  5. dComparison between the two r-AFS stage groups (stage I-II vs stage III-IV).