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Table 2 Criteria used in the diagnostic and definition of nosocomial infections

From: Surveillance of nosocomial infections in the Yaounde University Teaching Hospital, Cameroon

Type of infection Clinical/radiological criteria Minimum criteria for the diagnosis
Surgical site infection Pus (1), abscess or cellulitis (2), sero-bloody flow (3), redness and/or heat (4), Fever (temperature ≥38 °C) (5) (1) or (2) or (3) or the diagnosis evoked by the clinician
Urinary infection Lumbar or sus-pubic pain (5), dysuria or pollakiuria (6), fever (temperature ≥38 °C) or chills (7) (5) or (6) + (7) or isolate fever of the newborn or the diagnosis evoked by the clinician
Pulmonary infection Fever (8), cough (9), purulent expectoration or secretion (10), pulmonary auscultation signs (11), clinical sings of pleural effusion (12), radiological sign of pneumopathy or abscess (13) (11) + 3 other criteria, or (12) + 3 other criteria or two criteria after endotracheal maneuver or signs of respiratory distress in newborns , or the diagnosis evoked by the clinician
Infection of the catheter Pus (14), sero-bloody flow (15), redness and/or heat (16), fever ≥38 °C dropping after removal of the catheter (17) At least one of the criteria or the diagnosis evoked by the clinician
Septicemia Fever or chills (18) (18) or the diagnosis evoked by the clinician