Study on the Incidence of Intussusception (IS) in Children Aged < 12 Months in Japan

Observational Database Study on the Incidence of Intussusception in Children Aged < 12 Months in Japan

This study aims to analyse baseline data on IS in order to monitor the possibility of increased risk of IS in children aged <12 months after introduction of the Rotarix vaccination in Japan.

Inclusion Criteria:

• A male or female infant aged < 12 months at the time of IS diagnosis and affiliated to the JMDC-MDB database.
• An IS case should be identified as per the ICD-10 diagnostic code-K56.1 (any-field listed), examination codes, and procedural codes.

Exclusion Criteria:

Not applicable