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To describe the percentage and characteristics of children aged24 months with non-motor vehicle crash (MVC)-related injuries who undergo a skeletal survey and have occult fractures.We performed a retrospective chart review of a stratified, systematic random sample of 1769 children aged24 months with non-MVC-related bruises, burns, fractures, abdominal injuries, and head injuries at 4 children's hospitals between 2008 and 2012. Sampling weights were assigned to each child to allow for representative hospital-level population estimates. Logistic regression models were used to test for associations between patient characteristics with outcomes of skeletal survey completion and occult fracture identification.Skeletal surveys were performed in 46.3% of children aged 0 to 5 months, in 21.1% of those aged 6 to 11 months, in 8.0% of those aged 12 to 17 months, and in 6.2% of those aged 18 to 24 months. Skeletal surveys were performed most frequently in children with traumatic brain injuries (64.7%) and rib fractures (100%) and least frequently in those with burns (2.1%) and minor head injuries (4.4%). In adjusted analyses, older age, private insurance, and reported history of accidental trauma were associated with decreased skeletal survey use (P ≤ .001 for all). The prevalence of occult fractures on skeletal surveys ranged from 24.6% in children aged 0 to 5months to 3.6% in those aged 18 to 24 months, and varied within age categories based on the presenting injury (P.001).The high rate of occult fractures in infants aged 0 to 5 months underscores the importance of increasing the use of skeletal surveys in this population. Further research is needed to identify the injury characteristics of older infants and toddlers most at risk for occult fractures.

We sought: 1) to examine the association between the presence of a child abuse pathway and the odds of skeletal survey performance in infants with injuries associated with high risk of abuse and 2) to determine whether pathway presence decreased disparities in skeletal survey performance.‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬ METHODS: In this retrospective study of children1 year diagnosed with injuries associated with high risk of abuse at hospitals in the Pediatric Hospital Information System, information regarding the presence of a child abuse pathway was collected via survey. We examined whether the presence of a child abuse pathway was associated with the odds of obtaining a skeletal survey, adjusting for patient-level factors.‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬ RESULTS: Among 2085 included cases 55% were male, 69% had public insurance, and 64% were white. Fifty-eight percent presented to a hospital when a pathway was present. Skeletal surveys were performed in 86% of children between 0 and 5 months and 73% of children 6-11 months. In our regression model, adjusted for covariates (age, race, insurance, injury) the presence of a child abuse pathway in a hospital was associated with greater odds of skeletal survey performance (odds ratio [OR], 1.46, 95% confidence interval [CI], 1.02-2.08). Children with public insurance had greater odds of receiving a skeletal survey (OR 2.75, 95% CI 2.11-3.52) despite presence of pathway.‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬ CONCLUSIONS: When a child abuse clinical pathway was present, children with injuries associated with a high risk of abuse had a greater odds of receiving a skeletal survey. Differences in skeletal survey performance exist between infants with public vs. private insurance regardless of a pathway.

Objective Human papillomavirus (HPV) vaccine has been recommended for male patients for the prevention of genital warts and precancerous anal lesions since 2009. Our objective was to characterize race and insurance-based disparities in HPV vaccine completion among male patients who initiated the HPV vaccine series. Methods This was a retrospective cohort study of adolescent male patients in a primary care network who initiated the HPV vaccine series from October 2009 to December 2013. We measured vaccine series completion as the primary outcome. We evaluated associations between outcomes and race and insurance status, controlling for potential confounders and effect modification with multivariable logistic regression. Analyses were stratified by vaccine recommendation era (permissive vs routine). Results In total, 42% of males in the cohort (16,691) completed the vaccine series. In the permissive vaccine era (2009–2011), non-black patients (53%) were more likely to complete than black patients (32%) and non-Medicaid patients (49%) were more likely to complete than Medicaid patients (33%). These differences persisted in the routine recommendation era (2012–2013). In both the permissive and routine eras, Medicaid insurance was associated with a larger reduction in the predicted probability of vaccine series completion for non-black patients. Adherence to the recommended vaccination schedule was low, with a median time to completion of 8.9 months. Using the updated completion schedule (2016), we found that completion rates were greater (54.1%) with continued differences based on race (60% vs 45.7% for non-black vs black patients) and insurance (57.4% vs 46.4% completion for non-Medicaid vs Medicaid patients). Conclusions We found significant disparities in HPV vaccine series completion rates among male patients based on race and insurance, unchanged based on era of initiation or visit frequency.

Objective Cervical imaging practices are poorly understood in young children with traumatic brain injury (TBI). We therefore sought to identify child-level and hospital-level factors associated with performance of cervical imaging of children with TBI from falls and abusive head trauma (AHT) and to describe across-hospital variation in cervical imaging performance. We hypothesized that imaging decisions would be influenced by hospital volume of young injured children. Methods We performed a retrospective study of children younger than 2 years of age with TBI from 2009 to 2013 in the Premier Perspective Database. After adjustment for observed patient characteristics, we evaluated variation in advanced cervical imaging (computed tomography or magnetic resonance imaging) in children with AHT and TBI from falls. Results Of 2347 children with TBI, 18.7% were from abuse and 57.1% were from falls. Fifteen percent of children with TBI underwent advanced cervical imaging. Moderate or severe head injuries were associated with increased odds of cervical imaging in AHT (odds ratio 7.10; 95% confidence interval 2.75, 18.35) and falls (odds ratio 2.25; 95% confidence interval 1.19, 4.27). There was no association between annual hospital volume of injured children and cervical imaging performance. The adjusted probability of imaging across hospitals ranged from 4.3% to 84.3% in AHT and 3.1 to 39.0% in TBI from falls ( P Conclusions These results highlight variation across hospitals in adjusted probability of cervical imaging in AHT (nearly 20-fold) and TBI from falls (over 10-fold) not explained by observed patient characteristics. This variation suggests opportunities for further research to inform imaging practices.