Other Diagnosis and Management Resources (4 links) 1  Baby's First Test. 2  GeneReview: Phenylalanine Hydroxylase Deficiency. 3  MedlinePlus Encyclopedia: Phenylketonuria. 4  MedlinePlus Encyclopedia: Serum Phenylalanine Screening.
S. saprophyticus was the second most frequent cause of UTI in young female adolescent (mean age of. 23years) outpatients who are otherwise healthy, with an incidence rate of 27.4% as against matching group of. in-patients (4%) where it was the least encountered bacterial agent. Most cases presented with acute cystitis.
The most common cause of infection is Escherichia coli, though other bacteria or fungi may rarely be the cause. Risk factors include female anatomy, sexual intercourse, diabetes, obesity, and family history. Although sexual intercourse is a risk factor, UTIs are not classified as sexually transmitted infections (STIs).