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1 What this file contains: Table 7a: Monthly counts of Meticillin Sensitive Staphylococcus aureus (MSSA) bacteraemia from August 2015 to August Trust apportioned cases only (see below). What this data shows: A monthly count of Trust apportioned MSSA bacteraemias for the last 13 month's values so that the figure for the same month i n the previous year is also shown. The trend in the number of MSSA bacteraemia in a Trust over a series of months. What this data does not provide: A basis for reliable month on month comparisons in MSSA bacteraemia counts. Users of these data should exercise caution when comparing data between different months. Fluctuations in the data can occur for a number of reasons and high fluctuations may not necessaril y indicate an outbreak - for instance, organisational changes, variations in the patient populations being treated and seasonality can also cause larg e variation in counts. Consideration of the numbers without the context cannot indicate the reasons or the significance of the fluctuations. A basis for decisions on the clinical effectiveness of infection control interventions in individual Trusts: further investig ations considering potential confounders would need to be undertaken before this could be done. A basis for comparisons between Trusts. The counts of infections have not been adjusted to give a standardised rate consideri ng factors such as the hospital demographics or case mix. Trust apportioning of cases MSSA infections are apportioned to a Trust if the following rules are met: The location where the specimen was taken is given as acute Trust or is not known; The patient was either an In-patient, Day-patient, in Emergency assessment or is not known. Patient s specimen date is on, or after, the third day of the admission (or admission date is null), where the day of admissi on is day 1. The number of cases that are not apportioned to the acute Trusts can be derived from the annual publication, which will show the numbers of all cases of MSSA bacteraemia reported by acute Trusts. This was published in July 2015 and can be found on the PHE website. Data source Data were extracted from PHE s data capture system on 16th September Changes and updates to the data after this date will be reflected in the next publication. Data are collected at Trust level. Data are reported for 154 NHS acute Trusts in England. Cases are reported by the Trust whose laboratory processes the specimen, which may not always reflect where the MSSA bacterae mia was acquired. Key to Trust type (as at May 2016) FT Foundation Trust Data Changes The nature of the data collection means that NHS acute Trusts are able to request updates to their data at any time. Further information on the process necessary for an acute Trust to request such changes can be found here: _V2.0.p df This process means that there are frequently minor changes/additions to the most recent three data months in future publicat ions. Affected data months are italicised in the data table to indicate where such revisions may occur. Any changes and updates to data the previ ous monthly publication are coloured red. Trust sign off All NHS acute Trusts Chief Executives are required to sign off their MSSA bacteraemia data for a given month on the 15th of the following month. Sign off is used to ensure the quality and accuracy of submitted data. Failure to sign off can be indicative of missing data and/o r an associated data quality problem. Key to Trust type (as at May 2015) FT Foundation Trust Further information Further information on the underlying epidemiology and associated demographic information can be found here: Quarterly Epidemiological Commentary: Annual Epidemiological Commentary:

2 East Midlands -- Nottingham University Hospitals FT Derby Hospitals United Lincolnshire Hospitals Northampton General Hospital FT Chesterfield Royal Hospital University Hospitals of Leicester FT Sherwood Forest Hospitals FT Kettering General Hospital East of England FT Cambridge University Hospitals FT Norfolk & Norwich University Hospitals East & North Hertfordshire FT Southend University Hospital FT James Paget University Hospitals Mid Essex Hospital Services FT Milton Keynes University Hospital Ipswich Hospital FT Basildon & Thurrock University Hospitals FT Colchester Hospital University Hinchingbrooke Health Care FT Peterborough & Stamford Hospitals FT The Queen Elizabeth Hospital King's Lynn FT Luton & Dunstable University Hospital West Hertfordshire Hospitals FT Papworth Hospital FT West Suffolk Bedford Hospital The Princess Alexandra Hospital Page 2 of 6 06/10/ :51

3 London -- Barts Health FT King's College Hospital Imperial College Healthcare London North West Healthcare FT University College London Hospitals FT Guy's & St. Thomas' Barking, Havering & Redbridge University Hospitals FT Royal Free London FT St. George's University Hospitals Epsom & St Helier University Hospitals FT Chelsea & Westminster Hospital FT Great Ormond Street Hospital for Children FT Homerton University Hospital Lewisham & Greenwich Croydon Health Services FT The Hillingdon Hospitals FT Royal Brompton & Harefield FT The Royal Marsden FT Kingston Hospital North Middlesex University Hospital The Whittington Hospital FT Moorfields Eye Hospital Royal National Orthopaedic Hospital North East FT The Newcastle upon Tyne Hospitals FT South Tees Hospitals FT Northumbria Healthcare FT City Hospitals Sunderland FT North Tees & Hartlepool FT County Durham & Darlington FT Gateshead Health FT South Tyneside Page 3 of 6 06/10/ :51

4 North West FT Central Manchester University Hospitals FT Blackpool Teaching Hospitals Royal Liverpool & Broadgreen University Hospitals East Lancashire Hospitals FT University Hospital of South Manchester FT Aintree University Hospital Pennine Acute Hospitals St Helens & Knowsley Hospitals FT Wirral University Teaching Hospital FT Stockport FT Lancashire Teaching Hospitals FT Salford Royal FT Bolton FT Countess of Chester Hospital FT Mid Cheshire Hospitals Southport & Ormskirk Hospital FT University Hospitals of Morecambe Bay FT Tameside Hospital FT Wrightington, Wigan & Leigh East Cheshire North Cumbria University Hospitals FT Warrington & Halton Hospitals FT Alder Hey Children's FT The Walton Centre FT Liverpool Heart & Chest Hospital FT Liverpool Women's FT The Clatterbridge Cancer Centre FT The Christie Hospital Page 4 of 6 06/10/ :51

5 South East FT Frimley Health FT University Hospital Southampton FT Oxford University Hospitals Maidstone & Tunbridge Wells Portsmouth Hospitals FT Western Sussex Hospitals Buckinghamshire Healthcare Brighton & Sussex University Hospitals FT East Kent Hospitals University Surrey & Sussex Healthcare FT Royal Berkshire East Sussex Healthcare FT Medway Dartford & Gravesham FT Hampshire Hospitals FT Ashford & St Peter's Hospitals FT Royal Surrey County Hospital Isle of Wight FT Queen Victoria Hospital South West -- Plymouth Hospitals FT University Hospitals Bristol FT Gloucestershire Hospitals FT The Royal Bournemouth & Christchurch Hospitals North Bristol Royal Cornwall Hospitals FT South Devon Healthcare FT Taunton & Somerset FT Poole Hospital FT Royal Devon & Exeter FT Royal United Hospitals Bath FT Great Western Hospitals Northern Devon Healthcare FT Salisbury Weston Area Health FT Yeovil District Hospital FT Dorset County Hospital Page 5 of 6 06/10/ :51

6 West Midlands -- University Hospital of North Midlands FT University Hospitals Birmingham FT Heart of England The Royal Wolverhampton Shrewsbury & Telford Hospital FT The Dudley Group University Hospitals Coventry & Warwickshire Sandwell & West Birmingham Hospitals Worcestershire Acute Hospitals FT Birmingham Children's Hospital Walsall Healthcare Wye Valley George Eliot Hospital FT South Warwickshire FT Burton Hospitals FT Birmingham Women's FT The Robert Jones & Agnes Hunt Orthopaedic Hospital FT The Royal Orthopaedic Hospital Yorkshire and Humber FT Sheffield Teaching Hospitals Leeds Teaching Hospitals Hull & East Yorkshire Hospitals FT York Teaching Hospital Mid Yorkshire Hospitals FT Doncaster & Bassetlaw Hospitals FT Bradford Teaching Hospitals FT Barnsley Hospital FT Calderdale & Huddersfield FT Harrogate & District FT Northern Lincolnshire & Goole FT Sheffield Children's FT The Rotherham FT Airedale *Trust apportioned - specimen taken in an acute trust 3 or more days post admission - see caveats page for more details 1 On 1st September 2015 West Middlesex University Hospital NHS Trust merged with Chelsea and Westminster Hospital NHS Foundation Trust. Data prior to September 2015 for Chelsea and Westminster Hospital NHS Foundation Trust and West Middlesex University Hospital NHS Trust are combined and displayed under Chelsea and Westminster Hospital NHS Foundation Trust. Italicised figures indicate data from months that are likely to be subject to minor change or update in the future monthly publications. Data cells with red numbers indicate that these figures have been amended since the previous monthly publication. Acute Trust are highlighted in grey where they have failed to sign off their data for three months or more. Failure to sign off may be indicative of missing data and/or a data quality issues. Further detail can be found on the caveats page. Page 6 of 6 06/10/ :51