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Table 6 Diagnostic performance of individual items of HSS for diagnosis of early-onset sepsis

From: Sepsis profile and outcome of preterm neonates admitted to neonatal intensive care unit of Cairo University Hospital

Test Sensitivity (%) Specificity (%) PPV (%) NPV (%)
Total WBCs 55.6% 70.0% 56.5% 69.2%
Total PMNs 65.1% 53.3% 49.4% 68.6%
Immature PMNs 63.5% 52.2% 48.2% 67.1%
Immature:mature PMNs 76.2% 62.2% 58.5% 78.9%
Immature:total PMNs 44.4% 91.1% 77.8% 70.1%
Platelet count 46.0% 67.8% 50.0% 64.2%