Table 1: Clinical and laboratory features seen in our Spondyloarthropathy cohort.
Feature |
AS |
Other SpA |
Cohort Size |
88 |
53 |
Male Proportion |
71 (80.7%) |
29 (54.7%) |
Mean age at Symptom onset(SD) |
28.4 (9.8) |
33.88 (11.8) |
Mean age at Diagnosis(SD) |
31.9 (9.7) |
37.85 (10.1) |
Smoking Status |
|
|
• Never |
52/76 (68.4%) |
42/49 (85.7%) |
• Former |
4/76 (5.3%) |
1/49 (2.04%) |
• Current |
20/76 (26.3%) |
6/49 (12.3%) |
HLA-B27 Positivity |
58/77 (75.3%) |
10/28 (35.7%) |
Ethnicity |
|
|
• Indian Subcontinent |
40(46.6%) |
18 (34%) |
• Arab |
21 (23.9%) |
22 (41.5%) |
• Caucasian |
17 (19.3%) |
12 (22.6%) |
• Afro Caribbean |
1 (1.1%) |
1 (1.9%) |
• Eastern European |
4 (4.5%) |
0 (0%) |
• East Asian |
3(3.4%) |
0 (0%) |
AS, Ankylosing Spondylitis; Other SpA, Other Spondyloarthropathies; SD, Standard Deviation; HLA, Human Leucocyte Antigen