EQ-5D is a standardised measure of health status developed by the EuroQol Group to provide a simple, generic measure of health for clinical and economic appraisal. [...] The EQ-5D-3L descriptive system comprises the following five dimensions, each describing a different aspect of health: MOBILITY, SELF-CARE, USUAL ACTIVITIES, PAIN / DISCOMFORT and ANXIETY / DEPRESSION. (EQ-5D User Guide)
scoring_eq5d3l(data, items = 1:5, keep = TRUE, nvalid = 5, digits = NULL)
A character vector with the EQ-5D-3L item names ordered from 1 to 5,
or a numeric vector indicating the column numbers of the EQ-5D-3L items in
Logical, whether to keep the single items and whether to return variables containing the number of non-missing items on each scale for each respondent. The default is TRUE.
A numeric value indicating the number of non-missing items required for score calculations. The default is 5.
Integer of length one: value to round to. No rounding by default.
The function returns 2 variables:
nvalid.eq5d3l: Number of valid values (MAX=5)
score.eq5d3l: EQ-5D-3L Index Score (TTO method)
Number of items: 5
Item range: 1 to 3
Reverse items: none
Score range: 0 to 1
Minimal clinically important difference: none
Treatment of missing values:
The Index Score is calculated if none of the five items is missing.
The scoring algorithm uses the TTO value set for Germany
Janssen et al (2012) (https://dx.doi.org/10.1007/s11136-012-0322-4)