| Test | Gram staining N = 86 | ||||||||
| Gram negative (rods/bacilli) n = 56 (61.5%) | E. coli ATCC-25922 | Gram positive (cocci/sphere) n = 35 (38.4%) | S. aureus ATCC-25923 | ||||||
| Coagulase | − | − | − | − | + | − | − | + | |
| Catalase | − | − | + | − | + | − | + | + | |
| Indole | + | + | − | + | − | − | − | − | |
| Citrate | + | − | + | − | − | − | − | − | |
| Urease | + | − | + | − | + | − | − | + | |
| Triple Sugar Iron Test | + | + | + | + | − | − | − | − | |
| Sulfur Test | + | + | − | + | − | − | − | − | |
| Motility test | + | + | − | + | − | − | − | − | |
| Probable Pathogen | Proteus mirabilis | E. coli | K. Pneumonia | S. aureus | E. faecalis | S. Saprophyticus |
| ||
| Number (%) | 9 (10.5%) | 29 (33.7%) | 16 (18.6%) | 19 (22.1%) | 5 (5.8%) | 8 (9.3%) |
| ||