data docum entation started in 1990 and comp rises comp lete
demo graphic, ant hropome tric, and diabete s-related chara cterist ics of patie nts with t ype 1 di abetes a nd is used as a quality co ntrol system.6 Anonymous longitudinal data are
transmitted for central validation and analysis twice yearly.
Inconsistent data are reported back to the participating centers for confirmation or correction and are then re-entered
into the joint database. Based on asymmetric encryption
(hash-key), patients can be followed after the transition
from pediatric to adult diabetes care if treatment continues
at a diabetes center participating in the DPV initiative. Up
to March 2013, 372 diabetes centers took part in this study
(238 pediatric and 134 adult centers).