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Revista Española de Salud Pública

On-line version ISSN 2173-9110Print version ISSN 1135-5727


GIMENO-MARTOS, Silvia; PEREZ-RIERA, Carlos; GUARDIOLA-VILARROIG, Sandra  and  CAVERO-CARBONELL, Clara. Epidemiology of Imperfect Osteogenesis: a Rare Disease in the Valencia Region. Rev. Esp. Salud Publica [online]. 2017, vol.91, e201711045.  Epub Nov 28, 2017. ISSN 2173-9110.


Osteogenesis imperfecta (OI) is a rare connective tissue and bone disease that results in a bone fragility of varying severity. The objective was to determine and describe the OI in the Valencia Region (VR) during the period 2004 to 2014.


From the Rare Diseases Information System of the VR (SIER-CV) patients from 2004 to 2014 with the codes of the International Classification of Diseases for the OI were identified: 756.51 from the 9th Revision-Clinical Modification and Q78.0 from the 10th Revision. The information was validated by reviewing clinical documentation (mainly electronic health records) and a descriptive analysis of the confirmed cases (diagnosis of OI in the clinical documentation) was performed.


162 patients were identified with a code for OI. 145 of the 161 patients with available clinical documentation were confirmed as cases. The prevalence was 0.29 per 10.000 inhabitants. 93.1% were Spanish, 54.5% were women and they were treated in 25 different hospitals in the VR. The type of OI was known in the 26.4% of the cases and type I was the most common (9.7%). 6.2% of the patients died with an average death age of 60.8 years. 44.8% of patients received treatment with bisphosphonates and 10.4% had affected relatives.


The real situation of the OI in the VR has been established, which will allow a better planning in the health actions to improve the quality of life of the affected ones and their families.

Keywords : Osteogenesis imperfecta; Valencia Region; Rare Diseases; Population-based Registry.

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