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Table 3 Relationship between ASQOL, FACIT-Fatigue, and SF-36 subscales and summary scoresa

From: Psychometric characteristics of the short form 36 health survey and functional assessment of chronic illness Therapy-Fatigue subscale for patients with ankylosing spondylitis

SF-36 scores Baseline Week 12
  ASQoL FACIT-F ASQoL FACIT-F
Physical function -0.59 0.58 -0.73 0.64
Role-physical -0.50 0.53 -0.73 0.65
Bodily pain -0.60 0.56 -0.76 0.75
General health -0.49 0.50 -0.65 0.57
Vitality -0.53 0.74 -0.72 0.82
Social function -0.66 0.67 -0.77 0.73
Role-emotional -0.39 0.42 -0.64 0.61
Mental health -0.53 0.42 -0.67 0.64
Physical Component Summary (PCS) -0.50 0.54 -0.70 0.63
Mental Component Summary (MCS) -0.51 0.53 -0.65 0.71
  1. a p < 0.0001 for all correlations.