Case Definition
Cross-source consensus on Case Definition from 1 sources and 4 claims.
1 sources · 4 claims
Dosage & preparation
Evidence quality
Highlighted claims
- Syphilis cases were identified by ICD-10 codes A50-A53 and counted only when relevant treatment started in the same calendar month. — Trends and characteristics of syphilis incidence in Japan: a nationwide claims-based analysis of working-age populations and their dependents, 2016–2023
- Reinfection was defined as a new syphilis treatment episode at least 365 days after a previous episode, with exclusions for repeat treatment of late-stage, neurosyphilis, or congenital syphilis. — Trends and characteristics of syphilis incidence in Japan: a nationwide claims-based analysis of working-age populations and their dependents, 2016–2023
- Diagnostic certainty was limited because laboratory serology was unavailable in the claims database. — Trends and characteristics of syphilis incidence in Japan: a nationwide claims-based analysis of working-age populations and their dependents, 2016–2023
- The study used antibiotic treatment criteria because intramuscular benzathine penicillin G was available in Japan only from 2021. — Trends and characteristics of syphilis incidence in Japan: a nationwide claims-based analysis of working-age populations and their dependents, 2016–2023