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

Table 7 Parameter estimates for the three component truncated Poisson finite mixture model on older patients (65+)

Variable	First latent class			Second latent class			Third latent class
Variable	Coef.	Std. err.	Sig.	Coef.	Std. err.	Sig.	Coef.	Std. err.	Sig.
Male	0.044	0.005	***	0.075	0.006	***	0.145	0.020	***
Foreign	− 0.772	0.030	***	− 0.252	0.021	***	0.216	0.072	**
Age	0.005	0.000	***	0.001	0.000	*	0.002	0.001
Mental disorders	0.616	0.008	***	0.555	0.012	***	0.672	0.033	***
Diseases of the nervous system and sense organs	0.458	0.009	***	0.312	0.015	***	0.251	0.045	***
Diseases of the circulatory system	0.591	0.006	***	0.400	0.007	***	0.282	0.027	***
Diseases of the respiratory system	0.562	0.009	***	0.440	0.013	***	0.261	0.044	***
Diseases of the digestive system	0.601	0.013	***	0.481	0.020	***	0.319	0.091	**
Diseases of the genitourinary system	0.467	0.013	***	0.297	0.019	***	0.140	0.058	*
Diseases of the musculoskeletal system	0.547	0.011	***	0.415	0.015	***	0.416	0.046	***
Congenital anomalies	0.631	0.006	***	0.482	0.008	***	0.514	0.025	***
Multiple chronicity	0.521	0.009	***	0.317	0.011	***	0.269	0.036	***
_cons	− 0.557	0.023	***	1.180	0.031	***	2.124	0.113	***
Number of observations	328,901
Correlation real accesses vs predicted	0.91
AIC	958,152
% of patients	89.6%			10.1%			0.3%
% accesses	71%			27%			2%
Average number of accesses	1.84			6.27			18.32

ISSN: 1478-7954