Figure 1:
Identification of relevant literature on the use of telehealthcare for the treatment of asthma. ANZCTR = Australian New Zealand Clinical Trials Registry, CENTRAL = the Cochrane Central Register of Controlled Trials, CINAHL = Cumulative Index to Nursing and Allied Health Literature, NIHR = National Institutes of Health Research. *The 21 trials included in the final review were published across 25 reports.