Journal of Rheumatic Diseases

Table. 2.

Comparison between the good sleeper and poor sleeper groups

Variable Good sleeper (PSQI≤5) Poor sleeper (PSQI >5) p-value
Total 37 (34.6) 70 (65.4)
Sex, male 31 (83.8) 57 (81.4) 0.970
Age (yr) 40.38±13.46 33.40±10.08 0.008
BMI (kg/m2) 24.76±3.39 24.60±4.43 0.850
ESR (mm/hr) 15.49±13.96 19.24±19.54 0.254
CRP (mg/dL) 0.25±0.46 0.35±0.89 0.441
HLA B27, positive 30 (81.1) 62 (88.6) 0.384
Disease duration (mo) 87.30±81.15 63.79±65.39 0.107
TNF-α inhibitor use 27 (73.0) 49 (70.0) 0.922
Pain (VAS) (cm) 1.89±1.81 2.79±1.80 0.016
BDI-II 7.16±5.86 13.99±8.08 <0.001
BASDAI 2.09±1.34 3.63±1.60 <0.001
ASDAS-ESR 1.76±0.72 2.30±0.91 0.002
ASDAS-CRP 1.54±0.62 2.00±0.75 0.002

All values are numbers (%) or means±standard deviations. ASDAS: ankylosing spondylitis disease activity score, BASDAI: bath ankylosing spondylitis disease activity index, BDI: Beck Depression Inventory, BMI: body mass index, CRP: C-reactive protein, ESR: erythrocyte sedimentation rate, HLA B27: Human Leucocyte Antigen B27, PSQI: Pittsburgh Sleep Quality Index, TNF-α: tumor necrosis factor-alpha, VAS: Visual Analogue Scale.

J Rheum Dis 2021;28:143~149 https://doi.org/10.4078/jrd.2021.28.3.143
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