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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