| Etiology of cystitis | Prevalence | Etiology of pyelonephritis | Prevalence |
|---|---|---|---|
| Escherichia coli | 57% | Escherichia coli | 52% |
| Enterococcus faecalis | 13% | Pseudomonas aeruginosa | 12% |
| Klebsiella pneumoniae | 10% | Klebsiella pneumoniae | 8% |
| Streptococcus agalactiae | 6% | Morganella morgagni | 8% |
| Proteus mirabilis | 4% | Enterococcus faecalis | 8% |
| Klebsiella oxytoca | 2% | Coagulase negative Staphylococcus | 4% |
| Morganella morgagni | 2% | Enterococcus faecium | 4% |
| Pseudomonas aeruginosa | 2% | Others | 4% |
| Coagulase negative Staphylococcus | 1% | ||
| Enterococcus faecium | 1% | ||
| Others | 2% |