The Rational Clinical Examination
David L. Simel, Drummond Rennie
Urinary Tract Infection, Child
David L. Simel
Make the Diagnosis: Urinary Tract Infection, Child
Topics Discussed:
child, criterion standard comparisons (diagnostic tests), diagnosis, diagnostic process, dipstick urinalysis, infant, likelihood ratio, make the diagnosis, pediatrics, prior probability, pyrexia, reference standards, signs and symptoms, urinary tract infection, urine dipstick for leukocyte esterase, urine dipstick for nitrite
Excerpt:
"The prevalence of urinary tract infection (UTI) in children varies
with age and the clinical setting.1 See Table 59-1
for the prevalence rates of UTI in children with fever.A temperature reported by the parents as > 40°C is the
most useful finding from the history (likelihood ratio [LR] 3.2-3.3).
Black infants are about half as likely to have a UTI as nonblack
infants (LR for black infants, 0.52; 95% confidence interval [CI],
0.29-0.73). ..."
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