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Copyright ©The Author(s) 2025.
World J Cardiol. Nov 26, 2025; 17(11): 114140
Published online Nov 26, 2025. doi: 10.4330/wjc.v17.i11.114140
Figure 1
Figure 1  Flowchart showing the Preferred Reporting Items for Systematic Reviews and Meta-Analyses study selection process.
Figure 2
Figure 2 Bubble evidence map. Follow-up on X-axis, intervention category on Y-axis; bubble size represents total sample; shape represents design; annotation represents author-year + outcome. CHD: Congenital heart disease; DTx: Digital therapeutics; mHealth: Mobile health.
Figure 3
Figure 3 Evidence matrix heatmap (intervention category × outcome category, with counts). DTx: Digital therapeutics.