MCID                    Determination of the Minimal Clinically
                        Important Difference (MCID)
MRQoL                   Minimal Clinically Important Difference and
                        Response Shift Effect for Health-Related
                        Quality of Life
RS                      Determination of Response shift effect (RS)
dataghs                 Data of Global Health Status (GHS) dimension.
stat_MCID               Statistics of the Minimal Clinically Important
                        Difference
