Table 1 Comparison of baseline characteristics between osteoporotic and Non-Osteoporotic groups (Mean ± SD).

From: Association of reproductive characteristics with osteoporosis and FRAX scores in Chinese postmenopausal women: a QCT-based cross-sectional study

Variable

Osteoporotic (n = 63)

Non-Osteoporotic (n = 354)

p value

Age (years)

68.8 ± 6.3

61.9 ± 6.19

< 0.001

AAM (years)

15.7 ± 1.8

14.6 ± 1.7

< 0.001

ANM (years)

48.0 ± 3.8

49.9 ± 4.2

0.005

Parity

2.5 ± 1.4

1.7 ± 1.0

< 0.001

BMI (kg/m²)

22.70 ± 2.93

23.27 ± 2.84

0.146

L1-vBMD (mg/cm³)

72.14 ± 15.42

120.64 ± 27.47

< 0.001

L2-vBMD (mg/cm³)

59.48 ± 13.49

113.90 ± 27.78

< 0.001

Mean vBMD (mg/cm³)

64.98 ± 13.12

119.48 ± 26.29

< 0.001

History of osteoporotic fractures, n (%)

24 (38.1)

84 (23.7)

0.016

  1. AAM, age at menarche; ANM, age at natural menopause; BMI, body mass index; Mean vBMD, average vBMD of L1-L2.
  2. p < 0.05 was considered statistically significant.
Back to article page