Table 3

Comparisons of modelled endpoints after genetic matching only and after genetic matching and entropy balancing

Variable	Incidence rate ratio	SE	P value	Lower CI	Upper CI
After genetic matching only
Emergency inpatient admissions	0.987	0.077	0.870	0.848	1.149
Elective inpatient admissions	1.163	0.089	0.048	1.001	1.351
Inpatient bed days	0.832	0.092	0.095	0.671	1.033
A&E attendances	0.938	0.054	0.262	0.838	1.049
Outpatient attendances	1.021	0.044	0.637	0.937	1.111
GP attendances	1.107	0.023	<0.001	1.062	1.154
After genetic matching and entropy balancing
Emergency inpatient admissions	0.968	0.079	0.694	0.826	1.136
Elective inpatient admissions	1.268	0.103	0.004	1.080	1.487
Inpatient bed days	0.904	0.102	0.374	0.725	1.128
A&E attendances	0.943	0.057	0.326	0.838	1.061
Outpatient attendances	1.059	0.047	0.197	0.971	1.155
GP attendances	1.110	0.027	<0.001	1.058	1.165