II. Indications
- Assessment of febrile child (>38 C) aged less than 60 days
- Reassures against serious infection (Occult Bacteremia)
III. Criteria: Reassuring if all criteria are present
- Well appearing infant
- No skeletal, soft tissue, skin or ear infections
- Full term birth
- No prior illness
- No prior hospitalizations
- Not hospitalized longer than mother after delivery
- No prior Antibiotics
- No Hyperbilirubinemia
- No chronic or underlying illness
-
Complete Blood Count normal
- White Blood Cell Count normal (5000 to 15,000/mm3)
- Band Neutrophils < 1,500/mm3
- Other Lab Findings
- If Diarrhea is present, Fecal Leukocytes <5 WBC/hpf
- Urine White Blood Cells <10 WBC/hpf
IV. Interpretation: Occult Bacteremia risk
- Well-appearing febrile infant risk: 7-9%
- All Rochester reassuring criteria present: <1%
- Supports discharge to home with close follow-up and no empiric Antibiotics
V. Efficacy
- Test Sensitivity: 92%
- Test Specificity: 50%
- Positive Predictive Value: 12.3%
- Negative Predictive Value: 98.9%