Table 3.

Effect sizes for changes in acute care volume after PDMP implementation

All individualsAdults only
OutcomeRelative risk (95% CI)P valueRelative risk (95% CI)P value
ED visits per 1000 with SCD     
PDMP phase-in 0.956 (0.923-0.990) .01 0.912 (0.879-0.945) <.001 
Mandatory PDMP checking 0.873 (0.843-0.904) <.001 0.804 (0.776-0.834) <.001 
ED 3-day revisits per 1000 discharges     
PDMP phase-in 0.948 (0.895-1.005) .07 0.959 (0.904-1.016) .15 
Mandatory PDMP checking 0.811 (0.768-0.856) <.001 0.837 (0.792-0.885) <.001 
IP discharges per 1000 with SCD     
PDMP phase-in 1.002 (0.969-1.037) .89 0.942 (0.906-0.980) .003 
Mandatory PDMP checking 1.023 (0.989-1.059) .18 0.976 (0.938-1.015) .22 
IP 30-day readmissions per 100 discharges     
PDMP phase-in 1.012 (0.968-1.059) .59 1.019 (0.971-1.070) .43 
Mandatory PDMP checking 1.022 (0.977-1.070) .34 1.043 (0.994-1.095) .09 
IP days per 100 discharges     
PDMP phase-in 1.029 (1.001-1.058) .04 1.038 (1.010-1.067) .007 
Mandatory PDMP checking 1.010 (0.982-1.038) .51 1.022 (0.994-1.050) .12 
All individualsAdults only
OutcomeRelative risk (95% CI)P valueRelative risk (95% CI)P value
ED visits per 1000 with SCD     
PDMP phase-in 0.956 (0.923-0.990) .01 0.912 (0.879-0.945) <.001 
Mandatory PDMP checking 0.873 (0.843-0.904) <.001 0.804 (0.776-0.834) <.001 
ED 3-day revisits per 1000 discharges     
PDMP phase-in 0.948 (0.895-1.005) .07 0.959 (0.904-1.016) .15 
Mandatory PDMP checking 0.811 (0.768-0.856) <.001 0.837 (0.792-0.885) <.001 
IP discharges per 1000 with SCD     
PDMP phase-in 1.002 (0.969-1.037) .89 0.942 (0.906-0.980) .003 
Mandatory PDMP checking 1.023 (0.989-1.059) .18 0.976 (0.938-1.015) .22 
IP 30-day readmissions per 100 discharges     
PDMP phase-in 1.012 (0.968-1.059) .59 1.019 (0.971-1.070) .43 
Mandatory PDMP checking 1.022 (0.977-1.070) .34 1.043 (0.994-1.095) .09 
IP days per 100 discharges     
PDMP phase-in 1.029 (1.001-1.058) .04 1.038 (1.010-1.067) .007 
Mandatory PDMP checking 1.010 (0.982-1.038) .51 1.022 (0.994-1.050) .12 

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