Table 1 Summary of the outcome measures for the two interventions (patient and carer education and communication intervention and audit, surveillance and feedback intervention)
Outcome (Patient/ Service Implementation) | Measurement method(s) (e.g. observations, surveys, routinely collected data) | Level of measurement (i.e. patient, provider, surgical dept or hospital level) | Measurement time point(s) |
|---|---|---|---|
Patient and carer education and communication intervention | |||
 Patient and carer involvement and engagement in the content and the inception of the intervention | Qualitative interviews of patients and carers who were involved in the intervention. Structured questionnaires to assess the knowledge attitude and behaviour of patients and cares towards the use of the intervention. | CVTS, GI | Feb-Mar 2021 |
Audit, surveillance and feedback intervention | |||
 1. Clinical: SSI, BSI and mortality; Appropriateness of prescribing reserve antibiotics; Compliance to AMS recommendation | Routinely collected | CVTS, GI | Dec2020 Jan 2021 |
 2. Culture appropriateness, Adherence to SSI prevention guidelines. | Audit Point prevalence surveys | CVTS, GI Wound culture data from GI dept Blood culture data from CVTS dept | May 2021–Jan 2022 Collected bi-monthly |
 3. Improvement in the distribution of antibiotics prescribed as per WHO AWaRe (Access, Watch and Reserve) index classification. | Audit | CVTS, GI | May 2021 Endline (Jan 2021) |
 4. Process outcomes: Mechanism employed for the interpretation and feedback of clinical indicators, and how goals are set and actions planned for the SSI prevention and the antimicrobial stewardship, and the level of achievement of goals | Monthly: -Analysis of transcripts from monthly meetings with the surgical team -Analysis of meeting notes with recurrent questions | CVTS, GI | Monthly implementation log May 2021–Jan 2022 |