Gram positive organisms No of admissions grown | Staphylococcus aureus 409 | MRSA 71 | Streptococcus pneumoniae 74 | Alpha haemolytic streptococci 204 | Enterococcus faecalis 76 | Enterococcus faecium 53 |
Penicillin | 80.9% (327/404) | 100.0% (70/70) | 3.0% (2/67) | 7.3% (11/151) | – | – |
Ampicillin | – | – | 0.0% (0/6) | 13.0% (2/16) | 3.0% (2/72) | 94.0% (50/53) |
Ciprofloxacin | 1.5% (6/397) | 49.0% (34/70) | – | – | – | – |
Co-trimoxazole | 1.0% (4/404) | 17.0% (12/69) | 21.0% (6/29) | – | – | – |
Vancomycin | 0.0% (0/402) | 0.0% (0/70) | 0.0% (0/64) | 0.0% (0/118) | 0.0% (0/72) | 25.0% (13/53) |
Linezolid | 0.0% (0/404) | 0.0% (0/65) | – | – | 0.0% (0/67) | 0.0% (0/49) |
Daptomycin | 0.0% (0/337) | 0.0% (0/58) | – | – | 0.0% (0/57) | – |
Gram negative organisms Number of admissions grown | Escherichia coli 519 | Klebsiella pneumoniae 180 | Pseudomonas aeruginosa 70 | Enterobacter cloacae 68 | Serratia marcescens 25 | Acinetobacter baumannii 18 |
Ampicillin | 50.2% (253/504) | 96.4% (162/168) | – | 93.0% (63/68) | 88.0% (22/25) | 86.0% (6/7) |
Co-amoxiclav | 19.1% (96/503) | 4.2% (7/167) | – | 96.0% (65/68) | 92.0% (23/25) | 57.0% (4/7) |
Ceftriaxone | 9.1% (45/495) | 1.2% (2/167) | – | 35.0% (24/68) | 8.0% (2/25) | 78.0% (14/18) |
Piperacillin-tazobactam | 5.3% (26/492) | 6.3% (10/158) | 18.0% (11/62) | 33.0% (22/66) | 8.0% (2/24) | 17.0% (2/12) |
Ciprofloxacin | 10.0% (51/512) | 2.4% (4/165) | 9.0% (6/70) | 3.0% (2/67) | 4.0% (1/25) | 6.0% (1/18) |
Co-trimoxazole | 25.0% (129/516) | 5.4% (9/167) | – | 18.0% (12/67) | 0.0% (0/25) | 6.0% (1/18) |
Meropenem | 0.4% (2/499) | 0.0% (0/164) | 4.0% (3/70) | 1.0% (1/68) | 0.0% (0/25) | 0.0% (0/18) |
The colours refer to the range of prevalence of each organism with antibiotic resistance e.g. red illustrates >75%, dark green illustrates 0%.
MRSA, methicillin-resistant Staphylococcus aureus.