A incidência média de intussuscepção é de 74 por 100,000 entre crianças com <1 ano de idade.[6]Jiang J, Jiang B, Parashar U, et al. Childhood intussusception: a literature review. PLoS One. 2013;8(7):e68482.
https://www.doi.org/10.1371/journal.pone.0068482
http://www.ncbi.nlm.nih.gov/pubmed/23894308?tool=bestpractice.com
A incidência de intussuscepção pode variar significativamente por região geográfica, com mais casos ocorrendo nos países do Pacífico Ocidental (90 por 100,000 crianças <1 ano de idade) do que nos países africanos (34 por 100,000 crianças <1 ano de idade).[7]Clark AD, Hasso-Agopsowicz M, Kraus MW, et al. Update on the global epidemiology of intussusception: a systematic review of incidence rates, age distributions and case-fatality ratios among children aged <5 years, before the introduction of rotavirus vaccination. Int J Epidemiol. 2019 Aug 1;48(4):1316-26.
https://academic.oup.com/ije/article/48/4/1316/5382176
http://www.ncbi.nlm.nih.gov/pubmed/30879038?tool=bestpractice.com
Nos EUA, a intussuscepção ocorre em 18 a 56 por 100,000 crianças.[8]Parashar UD, Holman RC, Cummings KC, et al. Trends in intussusception-associated hospitalizations and deaths among US infants. Pediatrics. 2000 Dec;106(6):1413-21.
http://www.ncbi.nlm.nih.gov/pubmed/11099597?tool=bestpractice.com
A maioria dos casos ocorre em crianças com menos de 12 meses de idade. O pico de incidência ocorre entre 5 e 9 meses de idade.[6]Jiang J, Jiang B, Parashar U, et al. Childhood intussusception: a literature review. PLoS One. 2013;8(7):e68482.
https://www.doi.org/10.1371/journal.pone.0068482
http://www.ncbi.nlm.nih.gov/pubmed/23894308?tool=bestpractice.com
[8]Parashar UD, Holman RC, Cummings KC, et al. Trends in intussusception-associated hospitalizations and deaths among US infants. Pediatrics. 2000 Dec;106(6):1413-21.
http://www.ncbi.nlm.nih.gov/pubmed/11099597?tool=bestpractice.com
[9]Fischer TK, Bihrmann K, Perch M, et al. Intussusception in early childhood: a cohort study of 1.7 million children. Pediatrics. 2004 Sep;114(3):782-5.
http://www.ncbi.nlm.nih.gov/pubmed/15342854?tool=bestpractice.com
[10]Samad L, Marven S, El Bashir H, et al. Prospective surveillance study of the management of intussusception in UK and Irish infants. Br J Surg. 2012 Mar;99(3):411-5.
http://www.ncbi.nlm.nih.gov/pubmed/22180094?tool=bestpractice.com
Os meninos são mais comumente afetados que as meninas (proporção 2:1).[8]Parashar UD, Holman RC, Cummings KC, et al. Trends in intussusception-associated hospitalizations and deaths among US infants. Pediatrics. 2000 Dec;106(6):1413-21.
http://www.ncbi.nlm.nih.gov/pubmed/11099597?tool=bestpractice.com
[9]Fischer TK, Bihrmann K, Perch M, et al. Intussusception in early childhood: a cohort study of 1.7 million children. Pediatrics. 2004 Sep;114(3):782-5.
http://www.ncbi.nlm.nih.gov/pubmed/15342854?tool=bestpractice.com
Nos EUA, demonstrou-se variação racial; frequentemente, lactentes brancos eram menos afetados (26-35/100,000) que lactentes negros (30-50/100,000) e lactentes de outras raças (112-240/100,000).[8]Parashar UD, Holman RC, Cummings KC, et al. Trends in intussusception-associated hospitalizations and deaths among US infants. Pediatrics. 2000 Dec;106(6):1413-21.
http://www.ncbi.nlm.nih.gov/pubmed/11099597?tool=bestpractice.com
Desde 1980, as taxas de internação relacionada à intussuscepção e de morte relacionada à intussuscepção têm diminuído.[8]Parashar UD, Holman RC, Cummings KC, et al. Trends in intussusception-associated hospitalizations and deaths among US infants. Pediatrics. 2000 Dec;106(6):1413-21.
http://www.ncbi.nlm.nih.gov/pubmed/11099597?tool=bestpractice.com
[9]Fischer TK, Bihrmann K, Perch M, et al. Intussusception in early childhood: a cohort study of 1.7 million children. Pediatrics. 2004 Sep;114(3):782-5.
http://www.ncbi.nlm.nih.gov/pubmed/15342854?tool=bestpractice.com