Current evaluations of information technology in health care are often inadequate

Abstract
EDITOR,—Two recent articles debated the value of information technology to the NHS and called for further evidence from evaluation studies to inform future investment in information technology.1 2 These articles draw attention to both the scarcity of evaluation studies of information technology in health care and the lack of scientific rigour of such studies. They reflect current opinion, which strongly advocates the use of economic analyses and randomised controlled trials. While we agree with the need to …