Table 2 Modifiable risk factors
Risk factor | Definition | Detail |
|---|---|---|
Ward specialitya | Medicine, Major surgery, Minor surgery, Critical care or Other | Observed each day, days 0–7 |
Staffing per 10 beds (nursing and care staff) | Average number of staff (NHS-employed nurses + agency nurses + healthcare assistants) over the 3 shifts, per 10 beds | Observed each day, days 0–7 |
Ward activity per 10 beds | Number of patients admitted to ward + number of patients discharged from ward, per 10 beds | Observed each day, days 0–7 |
Central venous line | Central line present, yes or no | Determinedb each day, days 0–28 |
Peripheral vascular line | Peripheral line present, yes or no | Determinedb each day, days 0–28 |
Urinary catheter | Urinary catheter present, yes or no | Determinedb each day, days 0–28 |
Ward movement: to critical care | Cumulative count of moves from a critical care ward to a medical or surgical ward | Total number of relevant ward moves up until that day, for days 0–7 |
Ward movement: from critical care | Cumulative count of moves from a critical care ward to a medical or surgical ward | Total number of relevant ward moves up until that day, for days 0–7 |
Ward movement: within speciality | Cumulative count of ward moves within the same speciality (surgery, medicine or critical care) | Total number of relevant ward movements up until that day, for days 0–7 |
Ward movement: from medicine to surgery | Cumulative count of moves from a medical to a surgical ward | Total number of relevant ward movements up until that day, for days 0–7 |
Ward movement: from surgery to medicine | Cumulative count of moves from a surgical to a medical ward | Total number of relevant ward movements up until that day, for days 0–7 |
Time to initiation of appropriate antimicrobial therapy | Cumulative count of days before first receipt of appropriate antimicrobial therapy | Total number of days before first appropriate therapy up until that day, for days 0–28 |