Table 3.
Primary diagnostic accuracy of WebMD in included studies.
| First author (year) | Participants | WebMD primary diagnostic accuracy (%) |
|---|---|---|
| Hageman (2015)21 | 86 hand clinic patients | 33 |
| Semigran (2015)1 | 45 standardised vignettes: | 36 |
| 15 emergency | ||
| 15 non-emergency | ||
| 15 self-care | ||
| Powley (2016)15 | 34 inflammatory arthritis patients | 19 |
| Berry (2019)22 | ED records of 168 HIV/hepatitis C patients | 3 (Hep C), 7.8 (HIV), 7.1 (both) |
| Shen (2019)17 | 42 vignettes of ophthalmic conditions | 26 |
| Gilbert (2020)23 | 200 primary care vignettes | 21 |
| Hill (2020)18 | 48 vignettes with ‘Australia-specific conditions’ | 53 |
| Yoshida (2021)20 | 27 vignettes of orofacial pain conditions | 30.77 |