Subnational analysis of pediatric sepsis incidence and mortality from official records in Chile and Mexico: a longitudinal study from 2014 to 2024

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dc.contributor.authorGatica, Sebastian
dc.contributor.authorCaporal, Paula
dc.contributor.authorDíaz, Franco
dc.contributor.authorJabornisky, Roberto
dc.contributor.authorSimon, Felipe
dc.contributor.authorKisson, Niranjan
dc.coverage.spatialReino Unido
dc.date.accessioned2026-06-30T16:43:09Z
dc.date.available2026-06-30T16:43:09Z
dc.date.issued2026-05-02
dc.description.abstractBackground: Pediatric sepsis is a leading cause of global morbidity and mortality, yet high-resolution, granular subnational assessments remain scarce. Chile and Mexico are the only countries in Latin America that possess robust vital registration systems and open access databases with marginal levels of missing cases. This offers a unique opportunity to quantify the subnational burden of pediatric sepsis, identify healthcare system constrictions, and guide targeted public health interventions. Methods: This retrospective longitudinal study analyzed official hospital discharge and non-fetal death records of pediatrics (<10 years old) from Chile and Mexico between 2014 and 2024. Age-standardized incidence (ASIR) and mortality (ASMR) rates, standardized ratios, and the mortality-to-incidence ratio (MIR), were calculated to assess mortality relative to subnational hospital output. A novel dynamic risk stratification matrix was developed to classify ICD-10 sepsis-related causes into four risk/severity quadrants based on year-specific ASIR and MIR indicators. Results: A total of 656,234 discharges and 2,035 deaths in Chile, and 964,452 discharges and 77,252 deaths in Mexico were analyzed. Subnational trends were highly heterogeneous. Chile exhibited a predominantly low pediatric MIR (median <1%) with isolated hotspots with significant structural deviations to the North. High-everity sepsis causes in Chile were relatively rare. Conversely, Mexico displayed an alarmingly high MIR (median 7.2%), with systemic persistency in States such as Chiapas and Nuevo León. Strikingly, high-severity causes in Mexico (e.g., unspecified septicaemia, bacterial meningitis) were highly frequent, accounting for 88–97% of pediatric sepsis deaths. Furthermore, systemic instances of code-specific MIR > 1.0 in Mexico suggest significant health system fragmentation and decoupling of hospital discharge from vital statistic registries. Conclusions: Pediatric sepsis in Latin America encompasses distinct realities, ranging from localized critical care gaps to high lethality persistency. One-size-fits-all national policies may be inadequate. These findings advocate for precision public health, urging the deployment of decentralized, data-driven interventions and specialized resource allocation based on high-risk subnational hotspot identification.
dc.identifier.citationBMC Public Health, Vol. 26, N° 1940 (2026) pp. 1-18
dc.identifier.doihttps://doi.org/10.1186/s12889-026-27279-3
dc.identifier.issn1471-2458
dc.identifier.orcidhttps://orcid.org/0000-0003-4763-074X
dc.identifier.urihttps://hdl.handle.net/20.500.12254/7656
dc.language.isoen
dc.publisherSpringer Nature
dc.rightsAcceso abierto
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/cl/
dc.subjectsepsis
dc.subjectchildren
dc.subjectburden
dc.subjectepidemiology
dc.subjectdata science
dc.subjectpublic health
dc.subjectLMICs
dc.subjectsubnational analysis
dc.titleSubnational analysis of pediatric sepsis incidence and mortality from official records in Chile and Mexico: a longitudinal study from 2014 to 2024
dc.typeArticle
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