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Table 3 Unadjusted and adjusted pairwise comparisons of referral rates between primary care models

From: What is the impact of primary care model type on specialist referral rates? A cross-sectional study

Regression model Comparison of primary care models Relative difference in rates 95% confidence interval P-value
Model A (Unadjusted) CAP-I FFS 0.913 0.890–0.936 <0.0001
CAP-I CAP-NI 0.929 0.905–0.953 <0.0001
FFS CAP-NI 1.018 0.994–1.042 0.15
Model B (Patient adjusted) CAP-I FFS 1.021 1.000–1.043 0.049
CAP-I CAP-NI 0.980 0.958–1.002 0.071
FFS CAP-NI 0.959 0.940–0.979 <0.0001
Model C (Patient and provider adjusted) CAP-I FFS 1.027 1.004–1.050 0.02
CAP-I CAP-NI 0.965 0.943–0.987 0.002
FFS CAP-NI 0.940 0.917–0.963 <0.0001