Leah Elizabeth Chapman, Scott A Richardson, Eric B Rimm, Steven L Gortmaker, Matthew M Lee, Juliana F W Cohen
Daily Saturated Fat and Sodium Content of Elementary School Meals in a Large Sample of 128 Geographically Diverse School Systems in the United States
Journal of the Academy of Nutrition and Dietetics
develop clinical algorithm classifying acute lumbar spondylolysis nonspecific low back pain elementary schoolaged patients using classification regression tree analysis medical records 73 schoolaged patients diagnosed acute lumbar spondylolysis nonspecific low back pain retrospectively reviewed fiftyeight patients examined establishing algorithm 15 employed testing performance following data retrieved age gender school grades days symptom onset history low back pain days past low back pain height weight body mass index passive straight leg raise test results hours per week spent sports activities existence spina bifida lumbar lordosis angle lumbosacral joint angle classification regression tree analyses performed 150 times using bootstrap aggregating method results integrated majority vote establishing algorithm lumbar lordosis angle days symptom onset body mass index lumbosacral joint angle predictors classifying injuries algorithm used identify elementary schoolaged children low back pain requiring advanced imaging investigation although future study larger sample population necessary validating algorithm