Table 4.

Overall outcomes of the Rasch analysis of the VFS-Plus instrument in our sample

Parameters
Person
n Included	1753
n Removed	0
Measure (logits)	1.15 ± 1.10
Infit MnSq	1.05 ± 0.64
Outfit MnSq	1.04 ± 1.01
Separation	2.66
Reliability	0.88
Item
n Included	19
n Removed	0
Measure (logits)	0.00 ± 0.79
Infit MnSq	1.08 ± 0.47
Outfit MnSq	1.02 ± 0.47
Separation	24.43
Reliability	1
Principal component analysis (eigenvalue in first contrast)	3.3