TY - JOUR T1 - Antibiotic use in ambulatory care for acutely ill children in high-income countries: a systematic review and meta-analysis JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 1088 LP - 1094 DO - 10.1136/archdischild-2022-324227 VL - 107 IS - 12 AU - Ruben Burvenich AU - Hannelore Dillen AU - Nhung T H Trinh AU - Joseph Freer AU - Laure Wynants AU - Stefan Heytens AU - An De Sutter AU - Jan Y Verbakel Y1 - 2022/12/01 UR - http://adc.bmj.com/content/107/12/1088.abstract N2 - Objective To determine the rate and appropriateness of antibiotic prescribing for acutely ill children in ambulatory care in high-income countries.Design On 10 February 2021, we systematically searched articles published since 2000 in MEDLINE, Embase, CENTRAL, Web Of Science and grey literature databases. We included cross-sectional and longitudinal studies, time-series analyses, randomised controlled trials and non-randomised studies of interventions with acutely ill children up to and including 12 years of age in ambulatory care settings in high-income countries. Pooled antibiotic prescribing and appropriateness rates were calculated using random-effects models. Meta-regression was performed to describe the relationship between the antibiotic prescribing rate and study-level covariates.Results We included 86 studies comprising 11 114 863 children. We found a pooled antibiotic prescribing rate of 45.4% (95% CI 38.2% to 52.8%) for all acutely ill children, and 85.6% (95% CI 73.3% to 92.9%) for acute otitis media, 37.4% (95% CI 30.9% to 44.3%) for respiratory tract infections, and 40.4% (95% CI 29.9% to 51.9%) for other diagnoses. Considerable heterogeneity can only partly be explained by differences in diagnoses. The overall pooled appropriateness rate is 68.5% (95% CI 55.8% to 78.9%, I²=99.8%; 19 studies, 119 995 participants). 38.3% of all prescribed antibiotics were aminopenicillins.Conclusions Antibiotic prescribing rates for acutely ill children in ambulatory care in high-income countries remain high. Large differences in prescription rates between studies can only partly be explained by differences in diagnoses. Better registration and further research are needed to investigate patient-level data on diagnosis and appropriateness.Data are available upon reasonable request. Most of the relevant data are included within the article or uploaded as supplemental information. Any additional data can be acquired by sending an email to the corresponding author (ruben.burvenich@kuleuven.be). ER -