Table 1.

 Primary categories of 557 articles examining cost effectiveness of telemedicine for healthcare delivery that lacked cost data

Category	No (%) of articles
Project overview, or telemedicine history	194 (34.8)
Technology	95 (17.1)
Positive economic outcomes	80 (14.4)
Legal, regulatory, or policy	52 (9.3)
Miscellaneous	49 (8.8)
Editorial or opinion	27 (4.8)
Positive medical outcomes	20 (3.6)
Negative economic outcomes	13 (2.3)
Review analysis	12 (2.2)
Continuing medical education or continuing education	11 (2.0)
Negative medical outcomes	4 (0.7)