Table 1.

Characteristics of the studies included in the review.

Study	Study design	Telehealth type	Therapeutic area	Outcomes	Risk of bias
Ward, 2018 [4]	Mixed methods	Tele-ED (emergency department)/telemedicine	Emergency medicine	Feasibility and acceptability	Medium
Hicken, 2017 [7]	Randomized	Internet and telephone-based care	Mental health	Feasibility and acceptability	Low
Stringer, 2018 [8]	Mixed methods	Electronic adherence monitor	HIV	Feasibility and acceptability	Low
Uscher-Pines, 2019 [9]	Randomized	Telelactation/telehealth	Reproductive care/women’s health	Feasibility and acceptability	None
Huskamp, 2018 [10]	Retrospective	Tele–substance use disorder/telemedicine	Substance use disorder	Telehealth use	None
Mehrotra, 2017 [11]	Retrospective	Telemental/telemedicine	Mental health	Telehealth use	None
Sinha, 2019 [12]	Qualitative	Telemedicine	Orthopedics	Patient satisfaction	Low
Brecthel, 2018 [13]	Retrospective	Telestroke Network	Acute ischemic stroke	Diagnostic validation	Low
Kapinos, 2019 [14]	Post hoc analysis	Telelactation	Reproductive care/women’s health	Design and demand	None
Talbot, 2019 [15]	Retrospective	Telehealth	Mental health	Prevalence, diagnosis, and type of service	Low
Lewiecki, 2017 [16]	Prospective	TeleECHO	Osteoporosis	Acceptability and self-confidence	Medium
Moeckli, 2017 [17]	Mixed methods	Extension for Community Health Outcomes (ECHO)/telemedicine	HIV	Application and acceptability	Low
Gilbertson-White, 2019 [18]	Mixed methods	Oncology Associated Symptoms and Individualized Strategies (OASIS)	Cancer	Patient needs and satisfaction	Low
Liu, 2019 [19]	Qualitative	Teleophthalmology	Ophthalmology	Feasibility and acceptability	None
Demirci, 2018 [20]	Qualitative	Telelactation/telemedicine	Reproductive care/women’s health	Feasibility and acceptability	Low