Table 2

Regression estimates for hospitalisation for ACS conditions after versus before introduction of the walk-in clinic on-site, n=1376 admissions

Explanatory variablesModel 1Model 2Model 3Model 4Model 5
IRR, (95% CI), p value
Age group
Adults (Ref.: age <18 years)1.78 (1.42 to 2.25),
<0.0005
2.00 (1.56 to 2.56),
<0.0005
2.06 (1.60 to 2.66),
<0.0005
2.06 (1.60 to 2.66),
<0.0005
2.08 (1.61 to 2.69),
<0.0005
Sex
Female (Ref.: male)0.61 (0.49 to 0.75),
<0.0005
0.63 (0.51 to 0.77),
<0.0005
0.63 (0.51 to 0.77),
<0.0005
0.64 (0.52 to 0.79),
<0.0005
Change in level of outcome (after vs before introduction of walk-in clinic)0.80 (0.65 to 1.00),
0.054
0.86 (0.61 to 1.22),
0.399
1.03 (0.69 to 1.55),
0.876
Average time trend before introduction*0.99 (0.92 to 1.05),
0.680
0.99 (0.92 to 1.05),
0.668
Average time trend after introduction†0.99 (0.97 to 1.00),
0.100
  • *refers to the time period before the establishment of the outpatient clinic (01/2015 to 01/2016).

  • †refers to the time period after the establishment of the outpatient clinic (02/2016 to 12/2017).

  • ACS, ambulatory care sensitive; IRR, incidence-rate ratios; Ref., reference.