Organism/organism group (number of isolates) | Number (cumulative %) of isolates at MIC (mg/L) of: | MIC50 | MIC90 | %S | %R | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
<0.03 | 0.03 | 0.06 | 0.12 | 0.25 | 0.5 | 1 | 2 | |||||
Staphylococcus aureus(197) | 0 (0.0) | 1 (0.5) | 43 (22.3) | 118 (82.2) | 27 (95.9) | 5 (98.5) | 2 (99.5) | 1 (100.0) | 0.12 | 0.25 | 98.5a | 0.5 |
  Methicillin-susceptible (100) | 0 (0.0) | 1 (1.0) | 27 (28.0) | 69 (97.0) | 2 (99.0) | 1 (100.0) |  |  | 0.12 | 0.12 | 100.0 | 0.0 |
  Methicillin-resistant (97) |  |  | 16 (16.5) | 49 (67.0) | 25 (92.8) | 4 (96.9) | 2 (99.0) | 1 (100.0) | 0.12 | 0.25 | 96.9 | 1.0 |
  Tetracycline-resistant (116) | 0 (0.0) | 1 (0.9) | 19 (17.2) | 67 (75.0) | 21 (93.1) | 5 (97.4) | 2 (99.1) | 1 (100.0) | 0.12 | 0.25 | 97.4 | 0.9 |
  Tigecycline-non-susceptible (1) |  |  | 0 (0.0) | 1 (100.0) |  |  |  |  |  |  | 100.0 | 0.0 |
Enterococcus spp. (25) | 0 (0.0) | 13 (52.0) | 7 (80.0) | 5 (100.0) | Â | Â | Â | Â | 0.03 | 0.12 | Â | Â |
  Enterococcus faecalis (9) | 0 (0.0) | 2 (22.2) | 4 (66.7) | 9 (100.0) |  |  |  |  | 0.06 |  | 100.0 | 0.0 |
  Enterococcus faecium (16) | 0 (0.0) | 11 (68.8) | 3 (87.5) | 2 (100.0) |  |  |  |  | 0.03 | 0.12 |  |  |
Streptococcus pneumoniae (59) | 6 (10.2) | 21 (45.8) | 27 (91.5) | 3 (96.6) | 2 (100.0) | Â | Â | Â | 0.06 | 0.06 | 96.6 | 0.0 |
  Penicillin-susceptible (25) | 3 (12.0) | 8 (44.0) | 11 (88.0) | 1 (92.0) | 2 (100.0) |  |  |  | 0.06 | 0.12 | 92.0 | 0.0 |
  Penicillin-intermediate (15) | 1 (6.7) | 6 (46.7) | 7 (93.3) | 1 (100.0) |  |  |  |  | 0.06 | 0.06 | 100.0 | 0.0 |
  Penicillin-resistant (19) | 2 (10.5) | 7 (47.3) | 9 (94.7) | 1 (100.0) |  |  |  |  | 0.06 | 0.06 | 100.0 | 0.0 |
  Tetracycline-resistant (53) | 4 (7.5) | 18 (41.5) | 26 (90.6) | 3 (96.2) | 2 (100.0) |  |  |  | 0.06 | 0.06 | 96.2 | 0.0 |
  Tigecycline-non-susceptible (3) | 0 (0.0) | 1 (33.3) | 0 (33.3) | 0 (33.3) | 2 (100.0) |  |  |  | 0.25 |  | 33.3 | 0.0 |
Viridans group streptococci (25) | 14 (56) | 8 (88.0) | 1 (92.0) | 1 (96.0) | 1 (100.0) | Â | Â | Â | 0.015 | 0.06 | Â | Â |
  Streptococcus anginosus group (21) | 11 (52.4 | 7 (85.7) | 1 (90.5) | 1 (95.2) | 1 (100.0) |  |  |  | 0.015 | 0.06 | 95.2 | 0.0 |
  Tetracycline-resistant (14) | 5 (35.7) | 7 (85.7) | 1 (92.9) | 1 (100.0) |  |  |  |  | 0.03 | 0.06 | 100.0 | 0.0 |
  Tigecycline-non-susceptible (1) |  |  |  | 0 (0.0) | 1 (100.0) |  |  |  |  |  | 0.0 | 0.0 |
β-haemolytic streptococci (27) | 1 (3.7) | 11 (44.4) | 6 (66.7) | 8 (96.3) | 1 (100.0) |  |  |  | 0.06 | 0.12 |  |  |
  Tetracycline-resistant (20) | 1 (5.0) | 4 (25.0) | 6 (55.0) | 8 (95.0) | 1 (100.0) |  |  |  | 0.06 | 0.12 |  |  |
  Streptococcus pyogenes (8) | 1 (12.5) | 7 (100.0) |  |  |  |  |  |  | 0.03 |  | 100.0 | 0.0 |