Table 1 Baseline characteristics of poor ovarian responder patients in this study

Age (year), mean (SD)

37 (3)

36 (4)

0.3087

BMI (kg/m²), mean (SD)

23 (5)

24 (5)

0.4755

Race, n (%)

0.0014

 Chinese

21 (75.0)

14 (58.3)

 Malay

0 (0.0)

8 (33.3)

 Indian

1 (3.6)

2 (8.4)

 Others

6 (21.4)

0 (0.0)

Primary infertility, n (%)

0.3117

 Yes

19 (67.9)

13 (54.2)

 No

9 (32.1)

11 (45.8)

Infertility duration (years), median (range)

4 (1-16)

4 (1-11)

>0.9999

Primary infertility diagnosis, n (%)

0.7688

 Male factor

22 (78.6)

17 (70.8)

 Tubal factor

1 (3.6)

1 (4.2)

 Endometriosis

1 (3.6)

2 (8.3)

 Low ovarian reserve

3 (10.6)

4 (16.7)

 Others

1 (3.6)

0 (0.0)

Cycle number n (%)

0.0088

 Cycle 1

4 (14.3)

12 (50.0)

 Cycle 2 & above

22 (78.6)

12 (50.0)

Basal FSH (IU/L) , mean (range)^a

8.4 (4.8-27.7)

6.5 (3.6-16.6)

0.1176

Estradiol (pmol/L) , mean (range)^a

98.7 (37.0-320.0)

92.4 (37.0-273.0)

0.5432

AMH (ng/ml) , mean (range)^a

0.7 (0.2-2.8)

0.8 (0.2-2.7)

0.0783

Free Testosterone (pmol/L), mean (range)^a

2.0 (0.5-14.3)

1.7 (0.9-2.9)

0.1364

DHEA-S (µmol/L), mean (range)^a

4.0 (0.5-17.3)

3.8 (0.9-10.0)

0.3178

Antral follicle count, mean (range)^a

4.6 (1-15)

5.1 (0-12)

0.018

Ovarian volume RO (cm³), mean (range)^a

7.3 (1.9-24.0)

7.7 (2.0-29.5)

0.4636

Ovarian volume LO (cm³), mean (range)^a

5.1 (1.8-16.6)

8.2 (2.4-26.7)

<0.0001