Research Article

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 BMDFemoral neck BMDTotal hip BMDP1NPβ-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)
Statistics8.0523.1921.908.5811.80
<0.001a<0.001a<0.001a0.20b0.07b

: 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.