Memory crystal storage will preserve data for billions of years

data 5dThis open access book is the first published guide about how to analyse data produced by the EQ-5D, one of the most widely used Patient Reported OutcomesEQ-5D-5L utility index, and the domain of physical function and pain with the SF-6D utility index. Ceiling effect of EQ-5D-5L (59%) is greater than SF-6D (22.4%). The Bland and Altman plot