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Table 5 Mean PROMIS fatigue scores by patient descriptors of symptom severity and indicators of RA disease activity

From: PROMIS Fatigue short forms are reliable and valid in adults with rheumatoid arthritis

  N Mean SD N Mean SD N Mean SD N Mean SD
Descriptors None Mild Moderate Severe
Fatigue 7a 47 38.8 6.4 135 48.6 6.4 127 59.6 6.1 39 69.7 4.9
Fatigue 8a 47 36.3 5.1 135 49.2 5.3 127 61.1 4.9 39 71.4 4.7
Fatigue 4a 47 36.8 5.0 135 48.4 5.5 125 60.4 5.1 39 71.1 4.6
CDAI Remission Low Moderate High
Fatigue 7a 80 46.3 8.4 132 52.0 9.6 94 58.4 10.7 34 62.7 8.4
Fatigue 8a 80 46.7 8.8 132 52.5 9.7 94 59.3 11.2 34 64.5 8.4
Fatigue 4a 80 46.3 8.7 131 51.9 9.8 93 58.6 11.0 34 63.9 8.5
  1. Mean values in the same row are significantly different from each other at p < .05