Weighted antibiotic susceptibility and number of isolates tested
| Pathogen | Penicillin/ampicillin | Gentamicin | Chloramphenicol | Third-generation cephalosporins | Oxacillin/cloxacillin/methicillin |
|---|---|---|---|---|---|
| Staphylococcus aureus | 14 (8–20) (639) | 80 (71–89) (693) | 48 (36–59) (579) | 63 (31–94) (200) | 53 (35–71) (222) |
| Klebsiella spp. | 3 (1–5) (709) | 28 (17–38) (743) | 22 (10–34) (632) | 43 (14–72) (718) | – |
| Escherichia coli | 22 (9–35) (347) | 52 (29–76) (350) | 38 (17–58) (320) | 36 (16–56) (170) | – |
| Salmonella spp. | 20 (4–26) (670) | 67 (52–83) (668) | 46 (30–53) (667) | 97 (92–100) (195) | – |
| Streptococcus pneumoniae | 94 (87–100) (414) | 58 (0–99) (84) | 92 (87–98) (466) | 95 (89–100) (9) | – |
| Streptococcus agalactiae | 100 (179) | 2 (0–6) (177) | 60 (25–91) (177) | 65 (0–100) (8) | – |
| Unidentified Gram-negative organisms* | 14 (5–23) (227) | 47 (23–70) (271) | 27 (4–50) (248) | 61 (44–79) (120) | – |
| Streptococcus pyogenes | 100 (62)† | 44 (0–100) (58) | 99 (97–100) (62) | 100 (6)† | – |
| Pseudomonas spp. | 61 (0–100) (6) | 64 (0–100) (86) | – | 100 (6)† | – |
| Other streptococci | 97 (93–100) (9) | 93 (63–100) (4) | 100 (1)† | 63 (16–100) (4) | – |
| Haemophilus influenzae | 54 (45–63) (112) | 0.0* | 0.50 (0.40–0.59) (109) | 100 (1)† | – |
| Acinetobacter spp. | 18 (9–26) (70) | 21 (12–31) (71) | 10 (2–17) (62) | 47 (20–74) (83) | – |
| Coagulase negative staphylococci | 19 (7 –31) (39) | 55 (9–100) (32) | 40 (10–70) (10) | 91 (4–100) (32) | 57 (22–82) |
| Enterobacter spp. | 6 (2–14) (32) | 25 (14–55) (20) | 6 (0–17) (17) | 20 (0–40) (34) | – |
| Citrobacter spp. | – | – | – | – | – |
| Chromobacterium spp. | – | – | – | – | – |
| Serratia spp. | 0 (19)* | 47 (12–81) (19) | 39 (5–59) (13) | 33 (8 –57) (19) | – |
| Proteus spp. | 55 (28–59) (8) | 99 (95–100) (8) | 91 (0–100) (7) | 100 (8)† | |
| Enterococcus | 30 (0–76) (13) | 49 (9–80) (7) | 57 (20–94) (7) | 100 (7)† | |
| Neisseria meningitidis | 100 (9)† | – | 100 (12)† | – | |
| Flavobacterium spp. | 0 (3)* | 0 (3)* | – | 0 (3)* | |
| Other Gram-positive organism | 65 (29–97) (83) | 50 (0–99) (83) | 69 (58–80) (67) | 0 (1)* | 56 (15–61) (17) |
Values are % (95% CIs) (n).
*All isolates of these bacteria tested for susceptibility to this antibiotic were resistant, therefore calculation of CIs was not possible.
†No resistant isolates were identified in the studies which performed susceptibility testing on this bacteria for this antibiotic, therefore calculation of CIs was not possible.