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.
Causes. Bacteria are the primary organisms that cause UTIs. Most common bacteria that cause UTIs include: Escherichia coli and Staphylococcus saprophyticus. About 80-90% of urinary tract infections are caused by Escherichia coli (E. coli).