TABLE 2

Multivariablea Regression for the Outcomes of CT and Ultrasound

Historical Controls, n = 809Passive Diffusion, n = 588Active Intervention, n = 489
OROR95% CIOR95% CI
CT
 Low riskb1.03.270.85–12.63.710.77–17.5
 Moderate risk1.00.380.24–0.610.480.31–0.75
 High risk1.00.550.36–0.850.490.3–0.82
Ultrasound
 Low risk1.010.55.0–22.010.84.2–27.5
 Moderate risk1.08.44.8–14.717.89.5–33.3
 High risk1.014.97.4–29.818.38.6–39
  • CI, confidence interval; OR, odds ratio.

  • a Adjusted for age, gender, race, shift of arrival (day, evening, or overnight), resident physician involvement (yes or no), and referral status (referred or not referred).

  • b All risk strata based on our institutional pathway.