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Copyright ©The Author(s) 2025.
World J Crit Care Med. Dec 9, 2025; 14(4): 112368
Published online Dec 9, 2025. doi: 10.5492/wjccm.v14.i4.112368
Figure 1
Figure 1 PRISMA diagram showing the selection of included studies. IHCA: In-hospital cardiac arrest; OHCA: Out-of-hospital cardiac arrest.
Figure 2
Figure 2 Distribution of included studies based on the country. A: Out of hospital cardiac arrest; B: In-hospital cardiac arrest; C: Out of hospital cardiac arrest and in-hospital cardiac arrest. IHCA: In-hospital cardiac arrest; OHCA: Out-of-hospital cardiac arrest.
Figure 3
Figure 3  Frequency of studies based on the year of publication.