Table 4. Percentage of portal users who utilized a portal action between January 1, 2018, and December 31, 2019.
| Number of portal users | Proportion | |
|---|---|---|
| Logged in | 56,952 | 99.7% |
| Directly scheduled appointment | 14,512 | 25.4% |
| Viewed visit summary | 3,775 | 6.6% |
| Viewed test results | 55,231 | 96.7% |
| Accessed messaging | 56,707 | 99.3% |
| Viewed billing summary a | 23,135 | 40.5% |
a
Became available starting in September 2019. Results are based on the number of patients defined as a portal user ( N = 57,122). We defined a portal user as any patient who used at least any one of four bidirectional portal functions within the study period.