The input knowledge for estimating the prevalence of LBMD were based upon a systematic evaluation in GBD 2010 on population-based mostly scientific tests, that have been current for GBD 2013 and 2015. To estimate the attributable load of LBMD, the GBD 2019 risk component study adopted a number of methods: https://www.theorthopaedicandpainpractice.com/low-bone-density/