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Table 6 Known-Groups Validity of Severity of Worst Tiredness Using CDAI Subgroups at Day 1

From: Psychometric properties of the single-item measure, severity of worst tiredness, in patients with moderately to severely active rheumatoid arthritis

PRO/Study

CDAI Category

p-value

0.0 to ≤ 22.0

N, Mean (SD)

>22.0 to ≤ 76.0

N, Mean (SD)

Severity of Worst Tiredness Day 1

   

 RA-BEAM

36, 4.9 (2.6)

497, 5.9 (2.1)

0.007a

 RA-BUILD

26, 4.8 (2.1)

278, 6.1 (2.0)

0.016a

  1. Abbreviations: SD = standard deviation; CDAI = Clinical Disease Activity Index
  2. a p-value based on a comparison of mean values using ANOVA
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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