data demo_i; set xp.demo_i; run; /*复制到work数据集,也就是临时数据集*/ data mydata.demo_i; set xpt.demo_i; run; /*复制到mydata数据集,也就是永久数据集*/ XPT文件格式批量导入(提高效率必备):.xpt扩展也被称为通常由SAS应用创建的数据格式,或许这就是为什么双击xpt文件也能打开的原因(当然...
* Download SAS transport files and create temporary SAS datasets *; data demo; set demo_i.demo_i(keep=seqn riagendr ridageyr ridreth3 sdmvstra sdmvpsu wtmec2yr wtint2yr ridexprg ); run; data bpx_i; set bpx_i.bpx_i; run; data bpq_i; set bpq_i.bpq_i; run; ** Prepare datas...
useful options can be foundhere. Once the command runs successfully, one can log into RStudio Server running inside the docker containerviahttp://localhost:8787using the username and password set in the command above. The nhanesA package is already installed, and configured to use the database...
Carotenoids have been shown to have multiple health benefits, including antioxidant and anti-inflammatory. The data for the effect of dietary specific carotenoids on biological aging is limited. Our study aims to examine the association between dietary c
et al. Multivitamin consumption and childhood asthma: a cross-sectional study of the NHANES database. BMC Pediatr 24, 84 (2024). https://doi.org/10.1186/s12887-024-04540-5 Download citation Received29 May 2023 Accepted05 January 2024 Published31 January 2024 DOIhttps://doi.org/10.1186/s1...
Materials and methods Study design and participants The National Health and Nutrition Examination Survey (NHANES) 1999–2006, administered by the National Center for Health Statistics (NCHS), provided the data for this study. The NHANES survey is a thorough and all-encompassing study that aims to ...
(1988–1994),H. pyloridata were classified as IgG antibody positive or negative. In NHANES (1999–2000), participants were categorized as seronegative (optical density < 1.1) or seropositive (optical density ≥ 1.1). TGI = ln (fasting TG [mg/dL] × FBG [mg/dL] / 2) [...
To address the current knowledge gap in MASLD, we performed this cross-sectional investigation using data from the NHANES 2017–2020 to assess the association between LHR and MASLD among the adult US population. The aim was to determine whether LHR can predict MASLD, in the initial stages of ...
This investigation drew on data from the NHANES 2017–2018 cycle to probe the link between the hs-CRP/HDL-C index and MASLD, along with advanced liver fibrosis. It focused on adults aged ≥ 18 years who underwent vibration-controlled transient elastography (VCTE) within this NHANES cycle...
Region of birth or specific country of birth is not publicly available in the NHANES data set; therefore, we used the crude proxy of place of birth (US born compared with born outside of the United States) to account for the ethnic heterogeneity among blacks. The exclusion of Hispanic ...