Bednall, R;
White, S;
Mills, E;
Thomson, S;
(2021)
Validation of a Hospital Clinical Pharmacy Workforce Calculator: A methodology for Pharmacy?
International Journal of Clinical Practice
, 75
(5)
, Article e13932. 10.1111/ijcp.13932.
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Abstract
Background: The benefits of clinical pharmacy services are established within hospital practice but staff numbers required for service delivery are not well described and staffing levels vary. The need for a consistent, objective method of determining staffing levels was recognised at a UK University Hospital and a Clinical Pharmacy Workforce Calculator (CPWC) was developed. Objective: To develop the Activity Standard (AS) for pharmaceutical care and establish the reliability of the CPWC across acute hospital settings in UK. Setting: Acute hospital in-patient clinical pharmacy services on medical and surgical wards Method: Using the World Health Organisation’s Workload Indicators of Staffing Need (WISN) methodology, a two-round Delphi study was undertaken. This developed the Activity Standard for pharmaceutical care and identified the staff-time unavailable for clinical work. Consenting panel members then tested the CPWC, calculating the staff required for three scenarios to determine whether it could be reliably used by different operators. Results: Thirty-six participants consented to participate. Data was returned from 22 (61%) of whom 20 (56%) supplied analysable data. Consensus was achieved on the tasks required for pharmaceutical care delivery, the mean time each takes, how frequently they should be completed and the time unavailable for clinical work for each grade of staff. The CPWC calculates staffing requirements using this data. Eleven participants (55%) tested the CPWC and analysis of responses demonstrated that 30 of 33 (91%) calculations were accurately completed. Discussion: This study defined the WISN Activity Standard for UK pharmaceutical care delivery to hospital inpatients and showed content validity for the CPWC in acute medical and surgical hospital settings. Different operators used the CPWC reliably and applied it to local sites. Conclusion: The CPWC offers hospital pharmacy managers a useful tool to negotiate adequate staffing to deliver pharmaceutical care. Its development methodology could be applied widely in pharmacy practice.
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