Standard nurse phone triage versus tele-emergency care pilot on Veteran use of in-person acute care: An instrumental variable analysis.

When VA and OON hospital admissions were measured separately, the two models had slightly differing results and the differences did not reach statistical significance: IV analysis predicted difference in VA admissions of −2.7% (95% CI −5.2 to 0.5) and OON admissions of −1.0% (95% CI −2.1 to 0.0).

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