Nurse and doctor turnover and patient outcomes in NHS acute trusts in England: retrospective longitudinal study.

Objective: To investigate the association between monthly turnover rates of hospital nurses and senior doctors and patient health outcomes (mortality and unplanned hospital readmissions).

Design: Retrospective longitudinal study.

Setting: All 148 NHS acute trusts in England (1 April 2010 to 30 March 2019), excluding specialist and community NHS hospital trusts.

Trends and determinants of clinical staff retention in the English NHS: a double retrospective cohort study.

Objectives: To investigate how demographic, contractual and organisational factors are related to the retention of hospital workers in the English NHS. The study will specifically examine the trends in age-retention profiles.

Design: A double retrospective cross-cohort study using administrative data on senior and specialty doctors, nurses and midwives who were included in the 2009 and 2014 payrolls of all English NHS hospital Trusts.