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TABLE 1

Frequently Used Terms for UTI

CategoryTermDefinition
Signs and symptoms Febrile UTI UTI associated with temperature ≥38°C (100.4°F) 
 Symptomatic UTI UTI associated with fever and/or urinary symptoms 
 ABU Significant bacteriuria in a child with no symptoms of UTI 
 Sterile pyuria Increased white cells in urine in the absence of bacteria on urine culture 
 BBD Spectrum of signs and symptoms, including incontinence, constipation and/or encopresis associated with functional and behavioral abnormalities of the bowel, lower urinary tract, and pelvic floor 
Site of infection Upper-tract UTI UTI involving kidneys and ureters 
 Lower-tract UTI UTI involving bladder and urethra but not upper tract 
 Pyelonephritis Kidney infection (febrile UTI may or may not be due to pyelonephritis) 
 Cystitis Bladder infection 
Severity of infection Complicated UTI UTI in newborns; abdominal and/or bladder mass; kidney and urinary tract anomalies; urosepsis; organism other than E coli; atypical clinical course, including absence of clinical response to antibiotic within 72 h; and renal abscess 
 Complicated cystitis Children with comorbid medical conditions, underlying bladder pathology, indwelling bladder catheter, and atypical clinical course 
Renal status Reflux nephropathy Renal cortical abnormalities associated with VUR (may be congenital dysplasia or acquired scarring) 
 Renal scarring Acquired renal damage due to APN 
 Renal dysplasia Congenital renal cortical abnormalities 
CategoryTermDefinition
Signs and symptoms Febrile UTI UTI associated with temperature ≥38°C (100.4°F) 
 Symptomatic UTI UTI associated with fever and/or urinary symptoms 
 ABU Significant bacteriuria in a child with no symptoms of UTI 
 Sterile pyuria Increased white cells in urine in the absence of bacteria on urine culture 
 BBD Spectrum of signs and symptoms, including incontinence, constipation and/or encopresis associated with functional and behavioral abnormalities of the bowel, lower urinary tract, and pelvic floor 
Site of infection Upper-tract UTI UTI involving kidneys and ureters 
 Lower-tract UTI UTI involving bladder and urethra but not upper tract 
 Pyelonephritis Kidney infection (febrile UTI may or may not be due to pyelonephritis) 
 Cystitis Bladder infection 
Severity of infection Complicated UTI UTI in newborns; abdominal and/or bladder mass; kidney and urinary tract anomalies; urosepsis; organism other than E coli; atypical clinical course, including absence of clinical response to antibiotic within 72 h; and renal abscess 
 Complicated cystitis Children with comorbid medical conditions, underlying bladder pathology, indwelling bladder catheter, and atypical clinical course 
Renal status Reflux nephropathy Renal cortical abnormalities associated with VUR (may be congenital dysplasia or acquired scarring) 
 Renal scarring Acquired renal damage due to APN 
 Renal dysplasia Congenital renal cortical abnormalities 
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