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Fig. 2 | Journal of Patient-Reported Outcomes

Fig. 2

From: Qualitative and psychometric approaches to evaluate the PROMIS pain interference and sleep disturbance item banks for use in patients with rheumatoid arthritis

Fig. 2

Standard error (A) and marginal reliability (B) of the 40-item PROMIS Pain Interference bank, the 27-item version recommended by the qualitative data, a 13-item candidate short form, and the final recommended 11-item short form. PROMIS, Patient-Reported Outcomes Measurement Information System; SE, standard error

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