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Table 2 The marginal effect of AMI accreditation on in-hospital mortality of AMI-CS patients, by level of hospital

From: Cardiogenic shock in Taiwan from 2003 to 2017 (CSiT-15 study)

  Overall Medical center Regional hospital District hospital
dy/dx (95% CI) P dy/dx (95% CI) P dy/dx (95% CI) P dy/dx (95% CI) P
Policy: 2009
t − 0.016 (− 0.022, − 0.010)  < .0001* − 0.007 (− 0.012, − 0.002) 0.004* − 0.021 (− 0.031, − 0.012)  < .0001* − 0.006 (− 0.025, 0.013) 0.514
Pt 0.005 (− 0.019, 0.028) 0.688 − 0.003 (− 0.021, 0.015) 0.708 0.012 (− 0.021, 0.045) 0.477 0.024 (− 0.054, 0.101) 0.549
[t − TI ]Pt 0.005 (− 0.002, 0.012) 0.171 0.002 (− 0.003, 0.008) 0.344 0.009 (− 0.001, 0.019) 0.078 − 0.007 (− 0.028, 0.014) 0.519
Policy lag: 2010
t − 0.015 (− 0.020, − 0.010)  < .0001* − 0.008 (− 0.012, − 0.004)  < .0001* − 0.017 (− 0.025, − 0.010)  < .0001* − 0.008 (− 0.023, 0.008) 0.323
Pt 0.006 (− 0.017, 0.029) 0.612 0.004 (− 0.013, 0.022) 0.624 0.002 (− 0.030, 0.035) 0.897 0.040 (− 0.039, 0.118) 0.321
[t − TI]Pt 0.004 (− 0.002, 0.009) 0.224 0.003 (− 0.002, 0.007) 0.234 0.006 (− 0.003, 0.015) 0.164 − 0.008 (− 0.027, 0.011) 0.385
Policy lag: 2011
t − 0.016 (− 0.020, − 0.012)  < .0001* − 0.008 (− 0.012, − 0.005)  < .0001* − 0.016 (− 0.022, − 0.010)  < .0001* − 0.010 (− 0.023, 0.003) 0.120
Dt 0.023 (0.000, 0.046) 0.051 0.021 (0.004, 0.038) 0.016 − 0.007 (− 0.040, 0.026) 0.676 0.110 (0.031–0.189) 0.006
[t −  TI]Pt 0.002 (− 0.004, − 0.008) 0.489 0.001 (− 0.003, 0.005) 0.624 0.006 (− 0.002, 0.014) 0.165 − 0.020 (− 0.039, − 0.001) 0.041*
Policy lag: 2012
t − 0.013 (− 0.016, 0.010)  < .0001* − 0.007 (− 0.010, 0.004)  < .0001* − 0.014 (− 0.019, − 0.010)  < .0001* − 0.005 (− 0.015, 0.006) 0.376
Dt 0.005 (− 0.018, 0.028) 0.678 0.009 (− 0.010, 0.028) 0.364 − 0.015 (− 0.047, 0.018) 0.382 0.088 (0.006, 0.171) 0.035*
[t − TI]Pt 0.003 (− 0.003, 0.009) 0.292 0.001 (− 0.003, 0.006) 0.559 0.008 (− 0.000, 0.016) 0.056 − 0.029 (− 0.051, 0.008) 0.006*
Policy lag: 2013
t − 0.012 (− 0.015, − 0.009)  < .0001* − 0.007 (− 0.009, 0.004)  < .0001* − 0.014 (− 0.018, − 0.010)  < .0001* − 0.010 (− 0.023, 0.003) 0.120
Dt − 0.009 (− 0.034, 0.016) 0.473 0.004 (− 0.017, 0.024) 0.723 − 0.022 (− 0.058, 0.014) 0.224 0.110 (0.031–0.189) 0.006
[t − TI]Pt 0.005 (− 0.002, 0.012) 0.174 0.001 (− 0.005, 0.007) 0.677 0.010 (− 0.001, 0.020) 0.054 − 0.026 (− 0.051, 0.001) 0.040*
  1. Time variable referred as t was beginning at 1 in the year of 2002 and incrementing by 1 up to the year of 2017; policy variable referred as Pt (an intervention time indicator) was coded 0 pre-intervention and 1 post-intervention; the marginal effect of the policy referred as [t − TI]Pt (a slope change variable) was equal to zero at the time of the intervention (TI) and incrementing by 1 up to the year of 2017. dx/dy referred as marginal effect was estimated by using multi-level mixed effect logistic regression models which had a random intercept for center and adjusted for individual-level demographics and disease history listed in Table 1
  2. *P < 0.05