| Added volume (mL) | Total antibiotic amount (mg) |
---|---|---|
Control | – | – |
Gentamicin 1Â mg/mL | ||
 G1 | 0.25 | 0.25 |
 G2 | 0.5 | 0.5 |
 G3 | 0.75 | 0.75 |
 G4 | 1 | 1 |
Linezolid 2Â mg/mL | ||
 L1 | 0.25 | 0.5 |
 L2 | 0.5 | 1 |
 L3 | 0.75 | 1.5 |
 L4 | 1 | 2 |
Vancomycin 5Â mg/mL | ||
 V1 | 0.25 | 1.25 |
 V2 | 0.5 | 2.5 |
 V3 | 0.75 | 3.75 |
 V4 | 1 | 5 |