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Bone turnover biomarkers and risk of osteoporotic hip fracture in an Asian population

机译:亚洲人群的骨转换生物标志物和骨质疏松性髋部骨折的风险

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摘要

While epidemiologic studies suggest that bone turnover biomarkers may predict hip fracture risk, findings are inconsistent and Asian data are lacking. We conducted a matched case-control (1:1) study nested in the Singapore Chinese Health Study, a population-based prospective cohort of Chinese men and women (45–74 years) recruited from 1993–1998 in Singapore. One hundred cases with incident hip fracture and 100 individually matched controls were randomly selected from 63,257 participants. Serum bone turnover biomarkers, namely bone alkaline phosphatase (bone ALP), osteocalcin (OC), procollagen type I N propeptide (PINP), N-terminal and C-terminal crosslinking telopeptide of type I collagen (NTX-I and CTX-I) were measured using immunoassays. Hip fracture cases had significantly higher serum levels of OC, PINP, CTX-I and NTX-I than controls (p<0.05). There was a dose-dependent positive relationship between OC, PINP, CTX-I and NTX-I and risk of hip fracture (all Ps for trend≤0.006), where the risk was significantly increased by 4.32–8.23 folds for the respective BTM [Quartile (Q) 4 vs. Q1]. The odds ratio [OR (95% CI)] at the highest quartile (Q4) was 6.63 (2.02–21.18) for PINP and 4.92 (1.67–14.51) for CTX-I. The joint effect of PINP and CTX-I showed a 7-fold increase in risk (OR: 7.36; 95% CI: 2.53–21.41) comparing participants with higher levels of PINP (Q4) and CTX-I (Q3-Q4) to those with low levels of PINP (Q1-Q3) and CTX-I (Q1-Q2). Our data demonstrated that higher serum levels of bone turnover biomarkers were associated with increased risk of hip fracture in an Asian population.
机译:流行病学研究表明,骨转换生物标志物可能预测髋部骨折的风险,但结果不一致,缺乏亚洲数据。我们在新加坡华人健康研究中进行了一项匹配的病例对照研究(1:1)研究,这是一项基于人群的中国男性和女性(45-74岁)的前瞻性队列,从1993-1998年在新加坡招募。从63,257名参与者中随机选择了100例发生髋部骨折的病例和100名单独匹配的对照。血清骨转换生物标志物,即骨碱性磷酸酶(骨ALP),骨钙素(OC),I型胶原的前胶原IN型前肽(PINP),N端和C端交联端肽(NTX-1和CTX-1)为使用免疫测定法测定。髋部骨折病例的血清OC,PINP,CTX-1和NTX-1明显高于对照组(p <0.05)。 OC,PINP,CTX-1和NTX-1与髋部骨折风险之间存在剂量依赖的正相关关系(趋势≤0.006的所有Ps),其中相应BTM的风险显着增加4.32–8.23倍[四分位数(Q)4与Q1]。最高四分位数(Q4)的赔率比[OR(95%CI)]对于PINP为6.63(2.02-121.18),对于CTX-1为4.92(1.67-14.51)。与较高水平的PINP(Q4)和CTX-I(Q3-Q4)的参与者相比,PINP和CTX-I的共同作用表明风险增加7倍(OR:7.36; 95%CI:2.53–21.41)。 PINP(Q1-Q3)和CTX-I(Q1-Q2)水平较低的用户。我们的数据表明,亚洲人群中较高的血清骨代谢生物标志物水平与髋部骨折风险增加有关。

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