S Taylor, S Muncer
Redressing the power and effect of significance. A new approach to an old problem: teaching statistics to nursing students
Nurse education today
reduction use computed tomography ct favor rapidsequence magnetic resonance imaging mri decrease pediatric radiation exposure varied across institutions united states aims study understand national trends ct rapidsequence mri usage identify variables affecting imaging practices obstacles ct reduction retrospective review deidentified discharge data children hydrocephalus traumatic brain injury tbi healthcare cost utilization project kids inpatient database 2000 2003 2006 2009 2012 2016 utilization mri without contrast ct extracted using international classification diseases ninth revision international classification diseases tenth revision codes hospital region age cohorts extracted used categorize data 2 tests logistic regression used analysis hospitalizations utilizing ct decreased p 005 hospitalizations utilizing mri increased p 005 overall diagnosis groups throughout years analyzed however significant regional variation imaging northeast higher ct rates p 005 south lower ct rates patients hydrocephalus tbi p 005 regional variation found rates mri use patients tbi nationwide average number discharges hospitalizations utilizing ct patients hydrocephalus tbi decreased discharges hospitalizations utilizing mri alternative imaging modality increased despite successful overall ct reduction significant regional variation exists within trend showing inconsistent reduction ct use