Table 4

Summary of the microbiological profiles and antibiotic susceptibility of infectious keratitis in the UK between 2010 and 2019 (based on year of publication)

YearAuthorsStudy periodRegionTotal CSCulture positivity (%)Microbiological profiles*Antibiotic susceptibility (%)†
PENCEFAMGFQ
2011Orlans et al131999–2009Oxford46754.0Pseudomonas spp (28.5%);
CoNS (25.8%);
S. aureus (12.4%)
50.4 (P)80.9 (P);
8.7 (N)
87.2 (P);
100 (N)
85.4 (P); 99.0 (N)
2017Tan et al142004–2015Manchester422932.6CoNS (24.4%);
S. aureus (15.1%);
Streptococci (13.3%)
86.6 (P); 61.4 (N);88.8 (P); 96.5 (N)83.1 (P); 90.8 (N)
2018Ting et al92008–2017Sunderland91444.5CoNS (25.9%);
S. aureus (13.6%);
Streptococci (12.1%)
2019Tavassoli et al152006–2017Bristol261438.1CoNS (36.0%);
Pseudomonas spp (15.8%);
Streptococci (7.0%)
95.0–100 (P);
31.0 (N)
100 (P); 97.0–100 (N)91.0–100 (P); 97.0–100 (N)
2020Ting et al9 (current study)2007–2019Nottingham133337.7Pseudomonas spp (23.6%);
S. aureus (15.9%);
Streptococci 13.5%)
91.9 (P); 45.0 (N)100 (P); 81.3 (N)95.2 (P); 98.3–98.9 (N)90.1–100 (P); 97.8–100 (N)
  • *The three most common microorganisms isolated in the study.

  • †P = Gram-positive bacteria; n=Gram-negative bacteria.

  • AMG, aminoglycosides (include gentamicin and amikacin); CEF, cefuroxime; CoNS, coagulase-negative staphylococci; CS, corneal scrapes; FQ, fluoroquinolones (include ciprofloxacin, ofloxacin and levofloxacin); PEN, penicillin.