Parameter | Coefficient | Standard error | t-statistic | P-value |
---|---|---|---|---|
General wards | Â | Â | Â | Â |
 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 | Â | Â | Â | Â |
 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 |