Table 2

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

Median (IQR 25%–75%)MinMax
Age (years)36 (28–46)1850
Sex ratio2.35
Marital status (%)
 Unmarried55
 Married41
 Divorced4
Educational attainment (%)
 Primary education17
 Secondary education64
 University19
Profession (%)
 Unemployed17
 Student11
 Employed72
Age of onset of SpA (years)20 (18–32)1643
Age at diagnostic (years)28 (22–35)1646
Disease duration (years)11 (5–16)132
Type of SpA (%)
 Axial58
 Axial and peripheral40
 Peripheral2
Extra-articular manifestation
 Uveitis9
 Nephropathy4
 Osteoporosis6
BASMI1.5 (0–4)07
PRO
Morning stiffness (min)5 (0–15)0180
PGA4 (3–6)09
 VAS axial pain5 (3–6)09
 VAS peripheral pain0 (0–0)07
BAS-G50 (30–60)1090
MASES0 (0–0)04
Number of tender joints0 (0–0)04
Number of swollen joints0 (0–0)00
BASDAI2,6 (1.8–3.8)0,26,5
ASDAS-CRP2,18 (1.62-2.9)0.324,3
BASFI3 (1.5–5.1)0,68,7
Lequesne AFI of the right hip7 (5–8)416
Lequesne AFI of the left hip8 (5–10)421
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.