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Table 1 Comparisons of bone turnover markers and others at different periods of time after OVCFs

From: Kinetic of bone turnover markers after osteoporotic vertebral compression fractures in postmenopausal female

Variables Group 1 Group 2 Group 3 Group 4 Group 5 Group 6 Group 7 P
Number 40 46 37 35 75 38 38  
Age (years) 67.1 ± 8.8 71.0 ± 8.9 70.7 ± 9.3 68.1 ± 7.8 68.5 ± 7.4 69.9 ± 7.4 67.6 ± 7.6 0.204
BMD (g/cm2) 0.74 ± 0.19 0.69 ± 0.17 0.78 ± 0.14 0.78 ± 0.12 0.70 ± 0.15 0.70 ± 0.20 0.77 ± 0.11 0.138
Osteocalcin (ng/ml) 16.6 ± 4.8 21.4 ± 5.6 19.2 ± 4.6 20.5 ± 5.5 23.7 ± 6.5 25.8 ± 7.5 21.1 ± 7.1 < 0.001
β-CTX (ng/ml) 0.61 ± 0.17 0.72 ± 0.17 0.68 ± 0.17 0.79 ± 0.22 0.84 ± 0.28 0.89 ± 0.23 0.65 ± 0.27 < 0.001
ALP (U/L) 86.0 ± 18.0 91.5 ± 17.8 100.7 ± 20.9 123.9 ± 25.7 111.7 ± 20.5 106.0 ± 23.1 97.8 ± 26.4 < 0.001
PINP (ng/ml) 47.8 ± 13.4 52.6 ± 13.2 54.3 ± 10.1 62.1 ± 15.6 69.3 ± 21.3 69.5 ± 16.8 58.2 ± 18.6 < 0.001
Calcium (mmol/L) 2.27 ± 0.09 2.29 ± 0.09 2.30 ± 0.07 2.28 ± 0.07 2.34 ± 0.08 2.28 ± 0.07 2.27 ± 0.14 0.001
Phosphorus (mmol/L) 1.12 ± 0.13 1.21 ± 0.13 1.15 ± 0.10 1.23 ± 0.09 1.23 ± 0.13 1.20 ± 0.09 1.18 ± 0.13 < 0.001
  1. OVCFs osteoporotic vertebral compression fractures, BMD bone mineral density, β-CTX β-isomerized C-terminal telopeptides, ALP alkaline phosphatase, PINP type I procollagen amino- terminal peptides