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

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

Variable First latent class Second latent class Third latent class
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
  1. Significance levels: *p value < 0.05; **p value < 0.01; ***p value < 0.001