Exploring the Relationship of Bone Turnover Markers and Bone Mineral Density in Community-Dwelling Postmenopausal Women
Table 2
BMD at all sites, P1NP, and β-CTX values in different age groups.
Age group (years)
Lumbar spine BMD
Femoral neck BMD
Total hip BMD
P1NP
β-CTX
45-49 ()
0.964 (0.164)
0.802 (0.104)
0.880 (0.122)
45.40 (41.40, 51.71)
0.20 (0.16, 0.22)
50-54 ()
0.885 (0.143)
0.747 (0.110)
0.849 (0.122)
55.12 (41.85, 76.14)
0.29 (0.20, 0.36)
55-59 ()
0.875 (0.132)
0.733 (0.107)
0.842 (0.115)
55.53 (44.83, 70.60)
0.26 (0.21, 0.34)
60-64 ()
0.831 (0.132)
0.692 (0.105)
0.793 (0.111)
52.68 (39.72, 67.97)
0.26 (0.20, 0.34)
65-69 ()
0.817 (0.134)
0.659 (0.101)
0.761 (0.113)
52.11 (40.87, 69.16)
0.28 (0.20, 0.36)
70-74 ()
0.828 (0.163)
0.658 (0.135)
0.760 (0.148)
51.56 (38.61, 64.37)
0.28 (0.22, 0.36)
75-79 ()
0.799 (0.135)
0.605 (0.114)
0.696 (0.119)
49.17 (36.07, 64.34)
0.27 (0.21, 0.34)
Statistics
8.05
23.19
21.90
8.58
11.80
<0.001a
<0.001a
<0.001a
0.20b
0.07b
: number of subjects; BMD: bone mineral density; P1NP: procollagen type 1 N-terminal propeptide; β-CTX: β cross-linked C-telopeptide of type 1 collagen. a values were obtained by one-way ANOVA. b values were obtained by the Kruskal-Wallis test.