Table 2. Identification of S. aureus in pellets of cultured vitreous by Vitek MS.
Inoculated concentrations(CFU/μl) | Cultured concentrations(CFU/μl) | Total spots* | Vitek MS identification results | Concordant identification [no. (%)] | No identification [no. (%)] | Discordance [no. (%)] |
---|---|---|---|---|---|---|
1.0×105 |
1.0×106 |
9 |
S. aureus |
9 (100) |
0 (0) |
0 (0) |
1.0×104 |
0.9×105 |
9 |
S. aureus |
9 (100) |
0 (0) |
0 (0) |
1.0×103 | 1.1×104 | 9 | S. aureus | 2(22.2)§ | 7 (77.8) | 0 (0) |
* 3 spots for each eyeball and 3 eyeballs in each group. § 2 spots from the two eyeballs.