Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Author, Year | Study Design | Length of Follow-up | Sample Size, n (Intervention/Control) | Visits Per Patient, n (Intervention/Control) | Effect Estimate (95% CI) |
|---|---|---|---|---|---|
| Khan et al, 2010 (35) | RCT | 32 months (average) | 3,856/3,512 | 0.27/0.36 | Mean difference −0.09 (−0.14 to −0.04) |
Abbreviations: CI, confidence interval; ED, emergency department; eTool, electronic tool; RCT, randomized controlled trial.
aAdjusted with cluster correction.
