Table 1 Biochemical tests for the identification of CoNS isolates and their interpretation
Biochemicals | Identification | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Urease | Acetoin production | Novobiocin | Polymyxin B | Slide coagulase | Tube coagulase | Alkaline phosphatase | Pyrrolidonyl aryiamidase | Ornithine Decaboxylase | Trehalose | Mannitol | Mannose | Xylose | Maltose | Sucrose | |
+ | + | S | R | − | − | + | − | − | − | − | + | − | + | + | S. epidermidis (n = 27) |
+ | + | R | S | − | − | − | − | − | + | − | − | − | + | + | S. saprophyticus (n = 10) |
− | + | S | S | − | − | − | + | − | + | − | − | − | + | + | S. haemolyticus(n = 8) |
+ | − | S | S | − | − | − | − | − | − | − | − | − | + | + | S. hominis (n = 4) |
− | − | S | S | − | − | − | − | − | − | + | + | − | − | + | S. capitis (n = 2) |
+ | + | S | S | − | − | − | − | − | + | − | − | − | + | + | S. warneri (n = 1) |