Characteristic FHA FHA PCOS PCOS P value
Patients no./100
Mean ± SD
Patients no./100
Mean ± SD
Age 100 27.7 ± 6.25 100 29.2 ± 7.35 0.124
Type of menstrual disturbance* <0.0001
Primary amenorrhoea
4
0
Secondary amenorrhoea
90
16
Oligomenorrhoea
6
56
Eumenorrhoea
0
19
Not reported
0
9
Body mass index (kg/m2) * 81 20.1 ± 2.9 81 31.1 ± 7.8 <0.0001
Body mass index category * <0.0001
Underweight (< 18.5 kg/m2)
23
2
Healthy weight (18.5 – 24.9 kg/m2)
54
18
Overweight (25 – 29.9 kg/m2)
3
21
Obese (30 – 39.9 kg/m2)
1
24
Morbidly obese (≥ 40 kg/m2)
0
16
Not reported
19
19
Symptoms of hyperandrogenism* <0.0001
Yes
25
78
No
26
4
Not reported
49
18
Symptom type
0.116
Hirsutism
12
68
Acne
16
38
Hair thinning
3
13
Ultrasound features*
Polycystic ovarian morphology*
<0.01
Yes
33
60
No
35
20
Not reported
32
20
Endometrial thickness (mm) *
60
3.75 ± 2.23
70
6.82 ± 3.32
<0.0001
Blood results
LH (IU/L) *
88
3.46 ± 7.31
98
8.79 ± 4.98
<0.0001
FSH (IU/L)
88
4.60 ± 2.12
97
4.96 ± 1.58
0.200
LH : FSH ratio *
88
0.782 ± 1.16
97
1.81 ± 0.929
<0.0001
Estradiol (pmol/L) *
83
111 ± 73.3
72
260 ± 212
<0.0001
TSH (mU/L) *
71
1.41 ± 0.610
85
1.68 ± 0.915
0.0321
Free T4 (pmol/L) *
61
11.2 ± 1.36
80
13.0 ± 1.75
<0.0001
Prolactin (IU/mL) *
74
183 ± 133
70
261 ± 158
<0.01