Refining scores based on patient reported outcomes – statistical and medical perspectives

Table 2 Model fit measures of the confirmatory factor analysis and its multidimensional extensions

Test data	RMSEA	CFI	TLI	Validation data	RMSEA	CFI	TLI
Standard	0.069	0.963	0.954	Standard	0.103	0.974	0.968
Hierarchic	0.07	0.963	0.953	Hierarchic	0.105	0.974	0.967
Bifaktor	0.047	0.987	0.979	Bifaktor	0.083	0.987	0.979

Legend: Modell fit measures (RMSEA root mean square error of approximation, CFI comparative fit index, TLI Tucker-Lewis index) of the confirmatory factor analysis (Standard) and its multidimensional extension (Hierarchic, Bifaktor) of the test data (existing) and the validation data (prospective collected)

ISSN: 1471-2288