Table. Association of Clinician-Initiated e-Visit Billing on e-Visits, Messages, Phone Calls, and Scheduled Visitsa.
| Coefficient (95% CI) | P value | |
|---|---|---|
| e-Visits billed per week | ||
| Week trend | −0.02 (−0.10 to 0.05) | .53 |
| Immediate change following e-visit implementation | 195.68 (171.71 to 219.64) | <.001 |
| Postimplementation trend | −0.01 (−0.13 to 0.11) | .84 |
| Constant (preimplementation weekly level) | 54.93 (43.21 to 66.65) | <.001 |
| Patient message threads per week | ||
| Week trend | 2.72 (−4.68 to 10.12) | .47 |
| Immediate change following e-visit implementation | −3388.19 (−4781.72 to −1994.66) | <.001 |
| Postimplementation trend | −2.94 (−11.42 to 5.54) | .49 |
| Constant (preimplementation weekly level) | 19 233.56 (17 267.44 to 21 199.68) | <.001 |
| Patient messages per week | ||
| Weekly trend | 16.67 (−1.30 to 34.63) | .07 |
| Immediate change following e-visit implementation | −4594.16 (−9025.26 to −163.07) | .04 |
| Postimplementation trend | −18.67 (−44.62 to 7.28) | .16 |
| Constant (preimplementation weekly level) | 56 556.77 (51 774.63 to 61 338.91) | <.001 |
| Telephone calls per week | ||
| Week trend | −3.06 (−6.99 to 0.86) | .13 |
| Immediate change following e-visit implementation | −976.87 (−2194.91 to 241.18) | .12 |
| Postimplementation trend | 5.18 (−0.97 to 11.34) | .10 |
| Constant (preimplementation weekly level) | 19 313.49 (18 266.36 to 20 360.63) | <.001 |
| Scheduled visits per week | ||
| Week trend | 17.79 (4.57 to 31.01) | .01 |
| Immediate change following e-visit implementation | −4143.27 (−8900.03 to 613.49) | .09 |
| Postimplementation trend | −12.02 (−34.30 to 10.25) | .29 |
| Constant (preimplementation weekly level) | 45 427.62 (41 783.94 to 49 071.30) | <.001 |
a
All results are from interrupted time-series analysis regression models with Newey-West standard errors.