Table 6.

The complete characterization of the variables (group I vs. group II and III).

Evaluation	Group	Mean Difference	Standard Error	Sign	95% CI
					Lower	Upper
Age	II	11.270	1.280	0.000	8.758	13.783
	III	0.590	1.218	0.629	−1.807	2.987
First Hospitalization—Length of Hospitalization
Neurology	II	0.710	0.329	0.031	0.064	1.356
	III	0.460	0.232	0.048	0.004	0.816
ICU	II	1.150	0.119	0.000	0.917	1.383
	III	0.460	0.065	0.000	0.332	0.588
Total	II	1.860	0.320	0.000	1.232	2.488
	III	0.920	0.264	0.000	0.3999	1.440
Total cost	II	225.070	33.343	0.000	159.597	290.543
	III	225.070	60.399	0.000	125.891	324.249
Total Hospitalization—Length of Hospitalization
Neurology	II	0.400	0.439	0.363	−0.462	1.262
	III	0.440	0.305	0.150	−0.160	1.040
ICU	II	1.150	0.119	0.000	0.917	1.383
	III	0.480	0.087	0.000	0.309	0.652
Total	II	1.860	0.320	0.000	1.232	2.488
	III	0.920	0.261	0.001	0.406	1.434
Total cost	II	459.240	89.256	0000	283.972	634.508
	III	319.350	82.587	0000	156.828	484.872