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Table 4 Item calibration and fitting for the functional compromise sub-scale of the Keratoconus End-Points Assessment Questionnaire (KEPAQ-F)

From: Standardizing the measurement and classification of quality of life using the Keratoconus End-Points Assessment Questionnaire (KEPAQ): the ABCDEF keratoconus classification

Question

Measure

Infit MNSQ

Outfit MNSQ

Q_F01

− 0.42

2.19

2.18

Q_F02

− 1.03

1.22

1.24

Q_F03

− 0.19

0.73

0.63

Q_F04

− 0.44

0.86

0.75

Q_F05

− 0.14

0.71

0.63

Q_F06

0.00

0.52

0.47

Q_F07

0.28

0.70

0.68

Q_F08

0.31

0.94

0.90

Q_F09

1.63

1.30

1.39

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Eye and Vision

ISSN: 2326-0254