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About SSNAP > SSNAP Clinical Audit > Data Collection

Data Collection

Data Collection

Since SSNAP (clinical) started in January 2013 more than 500,000 stroke patient records have been analysed and reported on. Over 90% of expected stroke cases are being entered to SSNAP by providers in England, Wales and Northern Ireland with case ascertainment in Northern Ireland now steadily improving. This means that the data presented in SSNAP Reports are complete and robust. 

Developing a Core Dataset 

A core, minimum dataset was developed by the Intercollegiate Stroke Working Party (ICSWP) in collaboration with key stakeholders. Prospective data were collected via a secure web-based tool provided by Net Solving Ltd. Security and confidentiality are maintained through the use of passwords and a person specific registration process.  The data items collected by SSNAP include acute care processes and interventions, assessments and rehabilitation, and longer term care provision. The core dataset is available to download here.

Standardising data interpretation

Detailed help notes are provided to ensure standard interpretation of the dataset questions across all participants. Extensive support in the form of FAQ’s, user guides and videos are available online via Zendesk software (see support icon on bottom right of SSNAP website).

Eligibility Criteria

Patients: All patients with a primary diagnosis of stroke coded as I-61, I-63, I-64 should be submitted to SSNAP. The minimum age for patient submission to SSNAP is 16.
Stroke services: Any stroke service in England, Wales or Northern Ireland which treats at least 10 patients per year are eligible to participate in SSNAP. All acute hospitals in these countries that provide stroke care are actively submitting data to SSNAP with increasing numbers of post-acute care providers registering and participating in SSNAP.

Data collection timeline

SSNAP is a prospective, continuous audit. This means that data collection is ongoing until at least 31 March 2023 when the current contract for running the national stroke audit ends. 

Data collection deadlines

SSNAP imposes deadlines for the submission of data over specific time periods to enable these data to be analysed and reported on. SSNAP reports across quarterly, six monthly and annual (April-March) periods. Upon data entry deadline dates all patient data for the previous period is required to be submitted and locked by participating teams. If records are locked this means that they have been clinically signed off and are therefore ready for analysis. The data locking deadlines for the upcoming reporting periods are provided in the table below.

Inpatient teams
Reporting period Data entry deadline Results available to teams Results publically available*
April-June 2021 2 August 2021 September 2021 October 2021
July-September 2021 1 November 2021 December 2021 January 2022
October-December 2021 7 February 2022 March 2022 April 2022
January-March 2022 3 May 2022 June 2022 July 2022
*Subject to appropriate sign-off from funders
 
Non-inpatient teams
Reporting period Data entry deadline Results available to teams Results publically available   
January-June 2021 2 August 2021 September 2021 October 2021
July-December 2021 7 February 2022 March 2022 April 2022

Ambulance trusts
Reporting period Data entry deadline Data published by NHS England on 
March 2021 22 Jul 2021 12 Aug 2021
April 2021 23 Aug 2021 9 Sep 2021
May 2021 22 Sep 2021 14 Oct 2021
June 2021 22 Oct 2021 11 Nov 2021
July 2021 22 Nov 2021 9 Dec 2021

 
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