Table 4.
Segmented linear regression results examining impact of transition from tFFS to eFFS on RI
| Parameter | Unadjusted Model | Adjusted Model | ||||
|---|---|---|---|---|---|---|
| Estimate | 95% CI | P-Value | Estimate | 95% CI | P-Value | |
| Intercept (baseline RI) | 81.7 | 81.2 to 82.3 | < 0.0001 | 60.6 | 59.4 to 61.8 | < 0.0001 |
| Pre-intervention slope (secular trend, per year) | 0.52 | 0.45 to 0.59 | < 0.0001 | −0.0014 | − 0.078 to 0.075 | 0.97 |
| Change in intercept (immediate impact) | 0.41 | 0.21 to 0.62 | 0.0001 | 0.29 | 0.04 to 0.54 | 0.02 |
| Change in slope (gradual effect, per year) | −0.43 | −0.50 to − 0.36 | < 0.0001 | − 0.34 | −0.43 to − 0.24 | < 0.0001 |
| Female physician | 4.22 | 3.29 to 5.15 | < 0.0001 | |||
| Physician panel size | ||||||
| < 500 | 0 | |||||
| 500–999 | 9.27 | 8.81 to 9.73 | < 0.0001 | |||
| 1000–1999 | 12.6 | 12.1 to 13.1 | < 0.0001 | |||
| 2000–2999 | 13.4 | 12.8 to 14.0 | < 0.0001 | |||
| > 3000 | 14.1 | 13.1 to 15.1 | < 0.0001 | |||
| Foreign Trained | −6.4 | −7.5 to −5.4 | < 0.0001 | |||
| Years since graduation | 0.52 | 0.47 to 0.57 | < 0.0001 | |||