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 |