Frequent use of emergency departments and chronic conditions in ageing societies: a retrospective analysis based in Italy

Table 5 Parameter estimates for the three components truncated Poisson finite mixture model on adults (15+)

Variable	First latent class			Second latent class			Third latent class
Variable	Coef.	Std. err.	Sig.	Coef.	Std. err.	Sig.	Coef.	Std. err.	Sig.
Male	0.005	0.003		− 0.001	0.003		0.080	0.011	***
Foreign	− 0.137	0.006	***	0.022	0.005	***	0.035	0.015	*
Age	− 0.002	0.000	***	− 0.003	0.000	***	− 0.002	0.000	***
Mental disorders	0.736	0.005	***	0.650	0.006	***	0.758	0.015	***
Diseases of the nervous system and sense organs	0.542	0.006	***	0.357	0.009	***	0.245	0.021	***
Diseases of the circulatory system	0.616	0.005	***	0.413	0.006	***	0.295	0.016	***
Diseases of the respiratory system	0.634	0.007	***	0.468	0.010	***	0.248	0.023	***
Diseases of the digestive system	0.645	0.009	***	0.475	0.012	***	0.260	0.030	***
Diseases of the genitourinary system	0.640	0.008	***	0.435	0.010	***	0.392	0.023	***
Diseases of the musculoskeletal system	0.616	0.008	***	0.429	0.011	***	0.308	0.027	***
Congenital anomalies	0.693	0.004	***	0.495	0.005	***	0.418	0.012	***
Multiple chronicity	0.497	0.006	***	0.343	0.007	***	0.369	0.018	***
_cons	-0.166	0.006	***	1.432	0.006	***	2.446	0.017	***
Number of observations	958,712
Correlation real accesses vs predicted	0.92
AIC	2,711,550
% of patients	84.4%			15.1%			0.5%
% accesses	69%			28%			3%
Average number of accesses	1.71			6.14			18.50

ISSN: 1478-7954