The MIC test revealed that the antibiotic sensitivity of Gram-positive cocci ( G ( + ) C ) to levofloxacin was 94.8 % versus 74.1 % to tobramycin ( P = 0.000 ) while the antibiotic sensitivity of Gram-negative bacillus ( G ( - ) B ) to levofloxacin was 94.4 % versus 83.3 % to tobramycin ( P = 0.289 ) .
