A five-year prospective study of fatigue in primary Sjögren's syndrome

Table 1 Pearson's correlation coefficients between fatigue measures at baseline

N = 140 for FSS comparisons, otherwise 141. P < 0.001 for all comparisons. Vitality and FACIT-F are negative scales, giving lower values with increasing fatigue. VAS, visual analogue scale; FACIT-F, Functional Assessment of Chronic Illness Therapy - Fatigue; FSS, Fatigue Severity Scale; vitality, short form-36 vitality domain.

ISSN: 1478-6362