Effect of telehealth on use of secondary care and mortality: findings from the Whole System Demonstrator cluster randomised trial

To assess the effect of home based telehealth interventions on the use of secondary healthcare and mortality.

Pragmatic, multisite, cluster randomised trial comparing telehealth with usual care, using data from routine administrative datasets. General practice was the unit of randomisation. We allocated practices using a minimisation algorithm, and did analyses by intention to treat.