Table 1.
Google Search Volume Index (GSVI)a Values for Total Joint Arthroplasty–Related Searches (2015-2020).
| Search Term | Google Search Volume Index (GSVI) Values | ||||||
| April 2015 | April 2016 | April 2017 | April 2018 | April 2019 | April 2020 | 5-y Average | |
| “Knee replacement” | 68 | 72 | 75 | 84 | 86 | 42 | 71.47 |
| “Hip replacement” | 50 | 61 | 63 | 66 | 69 | 39 | 55.38 |
| “Orthopedic surgeon” | 54 | 59 | 72 | 70 | 81 | 48 | 64.02 |
a
The Google Search Volume Index (GSVI) is calculated by Google Trends by normalizing the volume of a search term against the total volume of searches within a specific period and region. (1-100 = low to high popularity).