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Table 3 Rate differences of resource use following a visit to the GPC

From: The impact of substituting general practitioners with nurse practitioners on resource use, production and health-care costs during out-of-hours: a quasi-experimental study

  Experimental vs control arm Experimental arm GP vs NP
   95 % CI for exp b   95 % CI for exp b
  B (SE) Lower Exp b Upper B (SE) Lower Exp b Upper
Unadjusted estimates
X-ray -.202* (.09) .692 .817 .965 -.303 (.156) .544 .738 1.002
Drug prescription -.084* (.037) .855 .919 .988 .246 *** (.072) 1.111 1.279 1.472
Referral ED -.136* (.058) .779 .873 .979 .866 *** (.152) 1.766 2.378 3.202
Adjusted estimates
X-ray -.203 (.11) .682 .816 1.006 -.168 (.19) .588 .846 1.115
Drug prescription -.09 (.05) .838 .916 1.001 .317 *** (.077) 1.167 1.373 1.616
Referral ED -.13 (.07) .759 .877 1.014 .60** (.179) 1.277 1.814 2.576
  1. Tested within a logistic regression model. Adjusted estimates are adjusted for age, gender, urgency level and ICPC group
  2. * p < .05
  3. ** p < .01
  4. *** p < .001