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Table 6 Difference-in-difference analysis on patients presenting to NHS hospital sites with alcohol teams compared to NHS hospital trusts without - Estimated intervention effects for emergency hospital activity in the year before and the year after diagnosis (as mean per patient)

From: The impact of alcohol care teams on emergency secondary care use following a diagnosis of alcoholic liver disease - a national cohort study

 

Hospital trusts with an alcohol team (n = 1025)

Hospital trusts with no alcohol team (n = 1245)

  

One year before diagnosis (SD)

One year after diagnosis (SD)

Difference (SE)

One year before diagnosis (SD)

One year after diagnosis (SD)

Difference (SE)

Difference in difference (95 % CI)

P-value

Emergency admissions (all)

1.628 (1.769)

1.375 (2.496)

−0.254 (0.069)

1.696 (1.945)

1.340 (2.390)

−0.357 (0.062)

0.103 (−0.079 to 0.285)

0.267

Emergency admissions (alcohol related)

1.270 (1.390)

1.057 (2.077)

−0.214 (0.060)

1.296 (1.538)

1.072 (2.157)

−0.223 (0.055)

0.010 (−0.150 to 0.169)

0.906

Emergency department attendances

1.693 (3.834)

1.736 (4.864)

0.043 (0.098)

1.589 (2.917)

1.601 (4.099)

0.012 (0.089)

0.031 (−0.229 to 0.291)

0.816

  1. Data are mean number per patient (standard deviation) and difference (standard error). P-value is from the linear mixed model. CI confidence interval
  2. Note: The ‘one year before diagnosis’ field includes the index admission which accounts for the mean number of emergency admissions being above one in this time period