Table 3.
Summary of evaluation outcomes by the area of health care addressed by the conversational agenta.
| Agent focus | Number of studies | Average number of outcomes coded positive or mixed, n (%) | Range of scores (SD) |
| Mental health [13,32-42] | 12 | 7 (66) | 5-11 (2.4) |
| Clinical decision or triage support [8,12,40,42-44] | 6 | 7 (67) | 5-10 (1.9) |
| Treatment support [9,45-49] | 6 | 9 (79) | 7-10 (1.2) |
| Health care training (students) [15,41,50] | 3 | 7 (67) | 5-10 (2.5) |
| Screening or diagnosis [14,38,51] | 3 | 10 (88) | 9-10 (0.6) |
| Health care education (laypeople) [54,55] | 2 | 5 (45) | 1-9 (5.7) |
| Physical health [52,53] | 2 | 4 (32) | 3-4 (0.7) |
aThe number of studies does not add up to 31 because some studies fit into 2 categories, and the study on monitoring speech was not included because it only addressed 1 of the 11 outcomes. The percentages associated with the average number of outcomes varied slightly because of rounding.