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Table 5 Approximate 95% confidence interval for the rank for person no. 46 based on the GRM model

From: An item response theory evaluation of three depression assessment instruments in a clinical sample

Person 46

Rank (n=)

Rank interval

Relative rank %

AS-18-D

28 (57)

20, 36

35, 63

PHQ9

29 (59)

19, 44

32, 75

MADRS

16 (56)

8, 33

14, 59