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Table 1 Sociodemographic, anthropometric, clinical and biochemical characteristics of women participating in a study on the prevalence of PCOS, Salvador, Brazil, 2008 (n = 859)

From: Polycystic ovary syndrome in Salvador, Brazil: a prevalence study in primary healthcare

Variables PCOS Confirmed PCOS Undetermined Non-PCOS Statistical Testb
(n=73) a (n=61) (n=725)
  Mean (SD) c Mean (SD) Mean (SD) Student’s t-test
Age 28.4 (6.5) 29.3 (7.3) 31.0 (7.3) 0.00
Number of children 0.9 (1.1) 1.2 (1.4) 1.5 (1.3) 0.00
Years of schooling 9.7 (2.7) 8.2 (3.0) 8.6 (2.9) 0.00
Height (meters) 1.61 (0.07) 1.60 (0.05) 1.59 (0.06) 0.04
  Median (IQR) d Median (IQR) Median (IQR) Mann–Whitney test
Measurements     
Weight (kg) 60.9 (37.7 – 84.1) 60.8 (44.3 – 77.3) 61.1 (45.1 – 77.1) 0.50
Body mass index (kg/m2) 24.2 (17.7 – 30.7) 23.7 (18.1 – 29.3) 24.1 (18.1 – 30.1) 0.92
Waist circumference (cm) 74 (56 – 92) 74 (56 – 92) 75 (60 – 90) 0.60
Random blood sugar e 92 (71 – 114) 93 (71 – 115) 92 (72 – 112) 0.67
Systolic blood pressure (mmHg) 119 (99 – 139) 118 (96 – 140) 122 (102 – 142) 0.31
Diastolic blood pressure (mmHg) 74 (60 – 88) 74 (59 – 89) 74 (59.5 – 89.5) 0.92
Mean arterial pressure (mmHg) 97.5 (81 – 114) 96.5 (79 – 114) 98.5 (81 – 116) 0.48
Total testosterone f 52 (20 – 82) NA g 35 (16 – 54) 0.00
LH/FSH ratio h 1.31 (−0.15 – 2.77) 1.04 (−3.16 – 5.24) 0.82 (−0.1 – 1.76) 0.01
  (%) (%) (%) χ 2
PCOS Diagnostic Criteria     
Oligomenorrhea i 98.6 34.4 2.5 0.00
Hirsutism j 79.5 47.5 3.1 0.00
Total testosterone ≥ 95th percentile k 44.0 25.0 14.3 0.00
Polycystic Ovaries l 15.1 m NA n 0.01
Sociodemographic Characteristics     
Race/skin color/ethnic group     
Black 90.8 91.2 88.1 0.65
Education (years of schooling)     0.01
Did not complete primary school (<8) 16.4 39.3 29.4  
Completed primary school (= 8) 21.9 18.0 28.9  
Completed secondary school (= 11) 53.4 41.0 39.6  
University (>11) 8.22 1.64 2.1  
Marital status     
Stable relationship 65.8 55.7 63.0 0.45
Employment status     
In paid employment 43.8 55.7 55.4 0.16
Associated Clinical Conditions     
Blood pressure ≥ 140/90 mm Hg 17.8 18.6 19.1 0.96
Obesity (BMI o ≥ 30 kg/m2) 13.7 18.6 12.3 0.37
Random blood sugar ≥ 100 mg/dl 32.9 39.3 33.4 0.66
  1. a Polycystic Ovary Syndrome according to the criteria defined in the Rotterdam Consensus. b Statistical tests comparing “confirmed PCOS” with “non-PCOS”. c Standard deviation. d Interquartile range. e Random blood sugar in mg/dl. f Total serum testosterone (ng/dl). g Not available (undetermined). h LH and FSH in mIU/ml. i Menstrual cycles ≥ 35 days or anovulatory dysfunctional uterine bleeding. j Ferriman-Gallwey (FG) score ≥ 6. k Total serum testosterone ≥ the 95th percentile of women with no diagnostic criteria (58 ng/dl). l By pelvic ultrasonography according to the imaging criteria defined in the Rotterdam Consensus, 2003. m Performed only to search for a second criterion. n Not available. o Body mass index.