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Table 7 Diagnostic performance of individual items of HSS for diagnosis of late-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 30.0% 44.4% 43.5% 30.8%
Total PMNs 46.7% 34.9% 50.6% 31.4%
Immature PMNs 47.8% 36.5% 51.8% 32.9%
Immature:mature PMNs 37.8% 23.8% 41.5% 21.1%
Immature:total PMNs 8.9% 55.6% 22.2% 29.9%
Platelet count 32.2% 54.0% 50.0% 35.8%