<p>Completeness of selected variables in snakebite envenoming notifications in Brazil, by region (2007–2023). Completeness percentages for key sociodemographic, clinical, and treatment-related variables reported in SINAN, stratified by Brazilian geographic region. Classification of completeness levels follows Romero and Cunha’s criteria: excellent (≥95%), good (90–94.9%), regular (80–89.9%), poor (50–79.9%), and very poor (<50%).</p>

Completeness of selected variables in snakebite envenoming notifications in Brazil, by region (2007–2023). Completeness percentages for key sociodemographic, clinical, and treatment-related variables reported in SINAN, stratified by Brazilian geographic region. Classification of completeness levels follows Romero and Cunha’s criteria: excellent (≥95%), good (90–94.9%), regular (80–89.9%), poor (50–79.9%), and very poor (<50%).