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Table 1 Baseline clinical characteristics of women with a history of menstrual disorders and controls

From: Effects of hormone replacement therapy on glucose and lipid metabolism in peri- and postmenopausal women with a history of menstrual disorders

Variable Normal menstruation
(N = 530)
Menstrual disorders
(N = 65)
P valuea
Age (years) 47.70 ± 3.94 48.38 ± 4.06 0.22
Residence
 Urban 386 (72.83%) 50 (76.92%) 0.28
 Suburb 104 (19.62%) 8 (12.31%)
 Rural 40 (7.55%) 7 (10.77%)
Menstrual status
 Perimenopause, n (%) 410 (77.36%) 46 (70.77%) 0.24
 Postmenopause, n (%) 120 (22.64%) 19 (29.23%)
Age at menarche (years) 14.51 ± 1.56 14.97 ± 1.84 0.12
Gravidity 2.81 ± 1.35 2.83 ± 1.51 0.83
Parity 1.10 ± 0.44 1.14 ± 0.50 0.74
Height (m) 1.60 ± 0.05 1.59 ± 0.05 0.28
Weight (kg) 56.02 ± 6.93 55.75 ± 6.66 0.94
BMI (kg/m2) 21.94 ± 2.37 22.06 ± 2.37 0.59
 Underweight 22 (4.15%) 5 (7.69%) 0.27
 Normal weight 404 (76.23%) 48 (73.85%)
 Overweight 97 (18.30%) 10 (15.38%)
 Obesity 7 (1.32%) 2 (3.08%)
Waist circumference (cm) 75.98 ± 6.61 76.91 ± 7.15 0.38
Hip circumference (cm) 92.48 ± 5.05 92.27 ± 5.85 0.49
Waist to hip ratio 0.82 ± 0.05 0.83 ± 0.06 0.05
Hypertension, n (%)
 No 502 (94.72%) 60 (92.31%) 0.39
 Yes 28 (5.28%) 5 (7.69%)
  1. Data are expressed as numbers (frequencies) or mean ± standard deviation as appropriate. P < 0.05 was considered significant. aComparison between groups by Mann-Whitney U test/independent samples t-test for continuous variables or by χ2 test/Fisher’s exact test for categorical variables
  2. Others: BMI body mass index