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Table 1 Clinical Categories of Urinary Tract Infection, Based on Culture Growth and Symptoms

From: Urinary tract infections in pregnancy in a rural population of Bangladesh: population-based prevalence, risk factors, etiology, and antibiotic resistance

UTI TerminologyDefinition
High-burden growthbacteriuria of > 105 colony forming units (CFU) per 1 mL of urine of a single uropathogen [22]
Intermediate growthbacteriuria with > 103 -105 CFU/mL of a single uropathogen
Contaminationbacterial growth of > 1 micro-organism OR growth of a non-urinary tract pathogen (Additional file 1: Table S1)
UTI symptomsdysuria, urinary frequency, hematuria, abdominal pain, fever, OR flank pain
Symptomatic intermediate growthwomen with intermediate burden growth and UTI symptoms (as above)
Asymptomatic Bacteriuriawomen with high burden bacterial growth without UTI symptoms
Cystitiswomen with positive urine culture (high burden or intermediate growth) and symptoms of dysuria, urinary frequency, hematuria, urinary urgency or suprapubic tenderness, without upper urinary tract symptoms (fever, chills, flank or back pain) [22]
Pyelonephritiswomen with positive urine culture and systemic symptoms (fever, chills, flank pain or back pain) [22]