Rates of Total Joint Replacement in the United States: Future Projections to 2020-2040 Using the National Inpatient Sample

Rates of Total Joint Replacement in the United States: Future Projections to 2020-2040 Using the National Inpatient Sample
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DOI:
10.3899/jrheum.170990
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发表时间:
2019-09-01
影响因子:
3.9
通讯作者:
Cleveland, John D.
Cleveland, John D.
中科院分区:
医学2区
文献类型:
--
作者:
Singh, Jasvinder A.;Yu, Shaohua;Cleveland, John D.

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Objective.预测到2040年全髋关节和膝关节置换术(THA,TKA)在美国的使用。我们使用2000-2014年美国国家住院患者样本(NIS)结合人口普查局数据,使用多项式回归对2020 - 2040年的初次THA和TKA进行预测,以解释变量之间的非线性和相互作用,假设THA/TKA数量的潜在分布为泊松分布。我们使用负二项回归进行敏感性分析,以解释过度分散。到2020年、2025年、2030年和2040年,美国THA的预测年度总数(95%预测区间)分别为(千):498(475,523)、652(610,696)、850(781,925)和1429(1265,1615)。对于初次TKA,预计2020年、2025年、2030年和2040年的年度总数分别为(千):1065(937,1211)、1272(1200,1710)、1921(1530,2410)和3416(2459,4745)。与现有的2014年NIS数据相比,预计2020年、2025年、2030年和2040年美国初次THA和TKA的年度总使用量的百分比增长如下:初次THA分别增长34%、75%、129%和284%;初次TKA分别增长56%、110%、182%和401%。在所有年龄组中,预计女性和男性的初次THA和TKA使用率都将增加。如果目前的趋势持续下去,预计未来美国THA和TKA的使用将显著增加。各年龄组的女性和男性使用率都明显增加。可能需要改变政策以满足不断增长的需求。
Objective. To project future total hip and knee joint arthroplasty (THA, TKA) use in the United States to 2040.Methods. We used the 2000-2014 US National Inpatient Sample (NIS) combined with Census Bureau data to develop projections for primary THA and TKA from 2020 to 2040 using polynomial regression to account for the nonlinearity and interactions between the variables, assuming the underlying distribution of the number of THA/TKA to be Poisson distributed. We performed sensitivity analyses using a negative binomial regression to account for overdispersion.Results. Predicted total annual counts (95% prediction intervals) for THA in the United States by 2020, 2025, 2030, and 2040 are (in thousands): 498 (475, 523), 652 (610, 696), 850 (781, 925), and 1429 (1265, 1615), respectively. For primary TKA, predicted total annual counts for 2020, 2025, 2030, and 2040 are (in thousands): 1065 (937, 1211), 1272 (1200, 1710), 1921 (1530, 2410), and 3416 (2459,4745), respectively. Compared to the available 2014 NIS numbers, the percent increases in projected total annual US use for primary THA and TKA in 2020, 2025, 2030, and 2040 are as follows: primary THA, by 34%, 75%, 129%, and 284%; and primary TKA, 56%, 110%, 182%, and 401%, respectively. Primary THA and TKA use is projected to increase for both females and males, in all age groups.Conclusion. Significant increases in use of THA and TKA are expected in the United States in the future, if the current trend continues. The increased use is evident across age groups in both females and males. A policy change may be needed to meet increased demand.