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Observational Study
©The Author(s) 2026.
World J Methodol. Mar 20, 2026; 16(1): 110159
Published online Mar 20, 2026. doi: 10.5662/wjm.v16.i1.110159
Figure 1
Figure 1 Age-adjusted mortality rates for substance use disorder and diabetes mellitus, per 1000000 population in the United States, 1999-2022. A: Stratified by sex, 1999-2022; B: Stratified by race, 1999-2020; C: Stratified by urban-rural classification, 1999-2020; D: Stratified by age groups, 1999-2020. APC: Annual percentage change; CI: Confidence interval; NH: Non-Hispanic.
Figure 2
Figure 2  Map representing substance use disorder and diabetes mellitus-related age adjusted mortality rates stratified by states per 1000000 in the United States from 1999-2020.
Figure 3
Figure 3  Substance use disorder and diabetes mellitus-related deaths stratified by substance use per 1000000 in the United States from 1999-2020.
Figure 4
Figure 4  Map representing substance use disorder and diabetes mellitus-related age adjusted mortality rates stratified by census region per 1000000 in the United States from 1999-2020.