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Microorganism MIC50sort
(μg/ml)		 MIC90sort
(μg/ml)		 Rangesort
(μg/ml)		 Reference
Stenotrophomonas maltophilia >=62 ≥288 ? － ? 1015
Stenotrophomonas maltophilia >128 >128 8 － >128 113
Streptococci (Viridans group + penicillin-intermediate) 0.25 1 ≤0.06 － 4 43
Streptococci (Viridans group + penicillin-resistant) >4 >8 1 － >8 43
Streptococci (Viridans group + penicillin-susceptible) 0.06 0.12 ≤0.06 － 0.12 43
Streptococcus agalactiae (HEGP 1005) - - 0.032 － 0.064 1305
Streptococcus agalactiae (HEGP 4249) - - 0.032 － 0.064 1305
Streptococcus agalactiae (HEGP 5839) - - 0.032 － 0.064 1305
Streptococcus faecalis 256 >256 ? － ? 1389
Streptococcus oralis - - 0.25 － 2 178
Streptococcus pneumonia 0.015 0.06 ≤0.007 － 0.25 113
Streptococcus pneumonia (ATCC 49619) - - 0.06 － ? 401
Streptococcus pneumonia (Duke-2) - - 8 － ? 918
Streptococcus pneumonia (Europe) - 0.25 ? － ? 284
Streptococcus pneumonia (North America) - 0.25 ? － ? 284
Streptococcus pneumonia (pbp2x and pbp2b or pbp1a and pbp2x genes abnormal + penicillin) 0.5 1 0.063 － 2 121
Streptococcus pneumonia (pbp2x gene abnormal + penicillin-intermidiate) 0.125 0.25 0.031 － 0.5 121
Streptococcus pneumonia (pbpla, pbp2x, and pbp2b genes abnormal + penicillin-resistant) 0.5 1 0.25 － 8 121
Streptococcus pneumonia (penicillin-intermediate) 0.25 1 0.03 － 1 178
Streptococcus pneumonia (penicillin-intermediate) 0.5 1 ≤0.06 － 1 43
Streptococcus pneumonia (penicillin-intermediate-resistant) 0.5 1 0.01 － 4 497
Streptococcus pneumonia (penicillin-resistant) 1 2 0.5 － 2 43
Streptococcus pneumonia (penicillin-resistant) 1 4 0.5 － 4 178
Streptococcus pneumonia (penicillin-susceptible) 0.015 0.015 0.015 － 0.125 178
Streptococcus pneumonia (penicillin-susceptible) 0.016 0.125 0.008 － 0.25 121
Streptococcus pneumonia (penicillin-susceptible) ≤0.06 ≤0.06 ≤0.06 － ? 43
Streptococcus pneumoniae 0.015 0.12 ? － ? 1389
Streptococcus pneumoniae (penicillin-resistant) - - 64 － ? 1594