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. 2022 Jul 6;8(2):e002270. doi: 10.1136/rmdopen-2022-002270

Table 2.

Demographics, disease characteristics, laboratory and therapeutic data in patients with spondyloarthritis (SpA)

Median (IQR 25%–75%) Min Max
Age (years) 36 (28–46) 18 50
Sex ratio 2.35
Marital status (%)
 Unmarried 55
 Married 41
 Divorced 4
Educational attainment (%)
 Primary education 17
 Secondary education 64
 University 19
Profession (%)
 Unemployed 17
 Student 11
 Employed 72
Age of onset of SpA (years) 20 (18–32) 16 43
Age at diagnostic (years) 28 (22–35) 16 46
Disease duration (years) 11 (5–16) 1 32
Type of SpA (%)
 Axial 58
 Axial and peripheral 40
 Peripheral 2
Extra-articular manifestation
 Uveitis 9
 Nephropathy 4
 Osteoporosis 6
BASMI 1.5 (0–4) 0 7
PRO
Morning stiffness (min) 5 (0–15) 0 180
PGA 4 (3–6) 0 9
 VAS axial pain 5 (3–6) 0 9
 VAS peripheral pain 0 (0–0) 0 7
BAS-G 50 (30–60) 10 90
MASES 0 (0–0) 0 4
Number of tender joints 0 (0–0) 0 4
Number of swollen joints 0 (0–0) 0 0
BASDAI 2,6 (1.8–3.8) 0,2 6,5
ASDAS-CRP 2,18 (1.62-2.9) 0.32 4,3
BASFI 3 (1.5–5.1) 0,6 8,7
Lequesne AFI of the right hip 7 (5–8) 4 16
Lequesne AFI of the left hip 8 (5–10) 4 21
NSAIDs, % 91
csDMARDs, % 41
TNF inhibitors, % 38

AFI, Algo-Functional Index; ASDAS, Ankylosing Spondylitis Disease Activity Score; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASFI, Bath Ankylosing Spondylitis Functional Index; BAS-G, Bath Ankylosing Spondylitis Global Score; BASMI, Bath Ankylosing Spondylitis Metrology Index; CRP, C reactive protein; csDMARDS, conventional synthetic disease-modifying antirheumatic drugs; MASES, Maastricht Ankylosing Spondylitis Enthesitis Score; Max, maximum; Min, minimum; NSAIDs, non-steroidal anti-inflammatory drugs; PGA, patient global assessment; PRO, patient-reported outcomes; TNF, tumour necrosis factor; VAS, Visual Analogue Scale.