Participants:
64 patients were identified on recruitment and one patient was excluded due to being managed on oral antibiotics. The cohort had a mean age of 74 (standard deviation (SD)± 13.7) years and a male: female ratio of 2.2:1. 70% of the group had a diagnosis of diabetes, of which 50% were treated with insulin. 11% of the cohort were at risk of immunosuppression due to long-term steroid use or regular immunosuppressant medication. eGFR was 62.3 ± 19.4 ml/min/1.73m2, 86% of patients had a chronic kidney disease staging of 2 to 3 (12). The mean Charlson Comorbidity Index score was 5 (SD± 1.99). (Illustrated in table 1).