Comparing health care use after hospital visit for SARS-CoV-2, respiratory syncytial virus, and other respiratory tract infections in children
Abstract
Aim
To explore whether children in specialist care with COVID-19 have increased post-discharge health care use when compared to children in specialist care with 1) respiratory syncytial virus (RSV) infection, and 2) other respiratory tract infections (RTIs).
Methods
In 34,214 children aged 1 month to 5 years who were registered with one or more hospital visit (outpatient or inpatient) with a diagnosis of COVID-19 (N=128), RSV infection (N=4,009), or other RTIs (N=34,458) from 2017-2021, we used a difference-in-differences study design to investigate the individual all-cause primary and specialist health care use from 12 weeks prior to 12 weeks after the hospital visit, stratified on infants (1-12 months) and children (1-5 years).
Results
We found a slight increase in primary health care use in the first four weeks after the hospital visit for infants with COVID-19 when compared to infants with RSV infection (6 [95%CI=2 to 13] per 10,000, 0.52% relative increase). For infants diagnosed with COVID-19, we found a similar post-visit increase in inpatients when compared to infants with RSV infection, which lasted for 12 weeks.
Conclusions
Our findings imply slightly increased health care use among infants after hospital visit for COVID-19 than among infants with other respiratory tract infections, for which potential etiological mechanisms deserve future clinical research. Severe COVID-19 in young children will not represent any markedly increased burden on the health services.
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