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Table 2 Parameter estimates from the segmented regression in two interrupted model

From: The impacts of family physician plan and health transformation plan on hospitalization rates in Iran: an interrupted time series

Parameter Coefficients Standard Errors t-statistic Confidence Interval P Value
Initial level 6.321 0.265 23.823 6.851 5.790 0.000
Initial Trend 0.011 0.024 0.473 0.060 −0.037 0.637
Change in level after FPPa 0.085 0.348 0.244 0.781 −0.611 0.807
Change in trend after FPP −0.056 0.033 −1.679 0.067 −0.067 0.097
Change in level after HTPb 1.045 0.284 3.668 1.615 0.475 0.000
Change in trend after HTP 0.088 0.023 3.777 0.134 0.041 0.000
  1. aFPP Family Physician Plan
  2. bHTP Health Transformation Plan