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Table 1 Demographic and clinical characteristics, quality of sleep, fatigue, and daytime sleepiness in 110 RA female patients

From: Depressive symptoms are associated with impaired sleep, fatigue, and disease activity in women with rheumatoid arthritis

  Total
n = 110
BDI-II ≤ 13
n = 74
BDI-II > 13
n = 36
p
Age, years (mean ± SD) 51.2 ± 8.1 52.3 ± 13.3 48.6 ± 12.15 0.054b
Disease duration, years (mean ± SD) 8.1 ± 7.8 8.9 ± 8.5 6.4 ± 5.7 0.147b
DAS28 scorea (mean ± SD) 3.89 ± 1.45 3.7 ± 1.4 4.36 ± 1.53 0.047b
Moderate / high activity disease (DAS28 > 3,2), n (%)a 50(59.5) 31(53.4) 19(73.1) 0.100c
PSQI global score (mean ± SD) 8.21 ± 3.93 7.33 ± 3.55 10.09 ± 4.1 0.001b
Poor sleep, n (%) 78(70.9) 48(64) 30(85.7) 0.024c
FSS (mean ± SD) 3.77 ± 1.93 3.34 ± 1.8 4.69 ± 1.89 0.001b
Fatigue, n (%) 47(42.7) 26(34.7) 21(60) 0.014c
ESS (mean ± SD) 8.73 ± 5.41 8.39 ± 5.04 9.46 ± 6.15 0.450
EDS, n (%) 43(39.1) 28(37.3) 15(42.9) 0.676c
BDI-II (mean ± SD) 10.84 ± 9.11 5.55 ± 3.94 21.89 ± 6.65 < 0.01b
  1. p values are for comparisons between groups of patients with (BDI-II > 13) and without depressive symptoms
  2. Definition of abbreviations - BDI-II Beck Depression Inventory II, DAS28 disease activity score in 28 joints, PSQI Pittsburgh Sleep Quality Index, FSS Fatigue Severity Scale, ESS Epworth Sleepiness Scale, EDS Excessive daytime sleepiness
  3. aDAS28 values for 84 patients
  4. bMann-Whitney
  5. cFisher exact test