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Table 2 Parameter estimates, standard errors, and P-values of segmented regression models predicting weekly numbers of PPI prescriptions over time

From: Feasibility of a pharmacy-led intervention to de-implement non-guideline-concordant proton pump inhibitor use

Parameter Coefficient Standard error t-statistic P-value
General wards     
 Intercept, β0 52.77 2.11 25.06 <0.0001
 Baseline trend, β1 0.11 0.09 1.10 0.273
 Level change after PPI intervention, β2 − 2.58 3.12 − 0.83 0.411
 Trend change after PPI intervention, β3 − 0.50 0.13 − 3.89 <0.0001
ICU     
 Intercept, β0 6.58 0.65 9.96 <0.0001
 Baseline trend, β1 − 0.02 0.03 − 0.63 0.532
 Level change after PPI intervention, β2 − 0.29 1.04 − 0.28 0.783
 Trend change after PPI intervention, β3 − 0.02 0.04 − 0.52 0.606
  1. ICU intensive care unit, PPI proton pump inhibitor
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Implementation Science Communications

ISSN: 2662-2211