Survival of patients with rare diseases: a population-based study in Tuscany (Italy)

Table 2 Survival of the cohort at 1, 5 and 10 years from diagnosis for the subgroup of metabolic diseases

	Cases (n)	1 year	95% CI	5 years	95% CI	10 years	95% CI
Disorders of metal metabolism and transport	404	0.995	0.980–0.999	0.977	0.954–0.988	0.923	0.885–0.949
Disorders of protein metabolism and transport	320	0.848	0.802–0.884	0.577	0.506–0.642	0.400	0.310–0.487
Disorders of mitochondrial metabolism	304	0.986	0.962–0.995	0.966	0.931–0.983	0.915	0.849–0.953
Lysosomal storage diseases	150	0.966	0.920–0.986	0.855	0.774–0.908	0.803	0.710–0.870
Disorders of vitamin and non-protein cofactor absorption and transport	111	0.990	0.934–0.999	0.980	0.922–0.995	0.980	0.922–0.995
Other metabolic diseases^a	485	0.985	0.969–0.993	0.971	0.950–0.984	0.948	0.914–0.968

^aGroup of metabolic diseases not attributable to the others listed in the table. 95% CI 95% confidence interval

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