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Table 3 Country and year of publication, and reliability evidence

From: Validity arguments for patient-reported outcomes: justifying the intended interpretation and use of data

Country of study

N

 Australia

5

 China

1

 Denmark

2

 France

1

 Germany

1

 Slovakia

1

Total

11

Year of publication

N

 2013

1

 2014

1

 2016

2

 2017

4

 2018

2

 2019

1

Total

11

Reliability

N

 Cronbach’s alpha

8

 Composite reliability

6

 Inter-rater reliability

1

 Item response theory

1

 Person Separation Index

1

Total

17