Ryan D Burns, Timothy A Brusseau, James C Hannon
Effect of a Comprehensive School Physical Activity Program on School Day Step Counts in Children
Journal of physical activity & health
total knee arthroplasty tka rarely performed patients 21 years old frequency utilization tka population united states known purpose study evaluate trends use tka patients 21 united states additionally aimed determine characteristics patients hospitals procedure performed retrospectively reviewed kids inpatient database national weighted sample inpatient hospital admissions united states patients 21 years age used international classification diseases ninth revision icd9 icd10 codes identify patients undergoing tka 2000 2019 determine primary diagnosis descriptive statistics calculated using appropriate sample weights total weighted number tkas performed patients 21 years 2000 2019 1535 709 tkas performed primary diagnosis tumor use tka malignant tumors increased contrast use tka inflammatory arthritisjuvenile idiopathic arthritis decreased significantly study period majority tkas performed urban teaching hospitals large bed size approximately 1535 tkas performed patients 21 years 2000 2019 united states majority procedures performed reconstruction resection malignant tumor rate tka inflammatory arthritisjuvenile idiopathic arthritis decreased past two decades