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 | |