General characteristics | ||||
---|---|---|---|---|
All patients | Males | Females | p-value | |
Sex | 353 | 220 (62.3) | 133 (37.7) | |
Age, years | 52.2 ± 12.7 | 51.7 ± 13.0 | 53.0 ± 12.2 | 0.4 |
BMI, kg/m2 | 26.8 ± 4.9 | 27.2 ± 5.0 | 25.9 ± 4.6 | 0.008 |
Current smoker | 39 (11) | 24 (10.9) | 15 (11.3) | 0.9 |
Ever smoker | 168 (47.6) | 103 (46.8) | 65 (48.9) | 0.7 |
r-axSpA variables | ||||
Symptom duration, years | 27.1 ± 13.0a | 26.8 ± 12.8d | 27.5 ± 13.4e | 0.7 |
HLA-B27-positive | 324 (91.8) | 210 (95.5) | 114 (85.7) | 0.001 |
ESR, mm/h | 14.6 ± 12.8, 11 (6, 19) | 13.2 ± 12.3, 10 (5, 17) | 16.8 ± 13.4, 14.0 (8, 23) | 0.009 |
hsCRP, mg/L | 5.4 ± 8.3, 2.8 (1, 6)b | 6.1 ± 9.5, 3.0 (1, 7) | 4.4 ± 5.9, 2.1 (1, 5)e | 0.04 |
History of anterior uveitis | 181 (51.2) | 117 (53.2) | 64 (48.1) | 0.4 |
History of peripheral arthritis | 206 (58.4) | 118 (53.6) | 88 (66.2) | 0.02 |
History of coxitis | 47 (13.3) | 27 (12.3) | 20 (15.0) | 0.5 |
BASDAI, score | 3.6 ± 2.0a | 3.4 ± 2.1f | 4.0 ± 2.0 | 0.006 |
ASDAS CRP, score | 2.0 ± 0.9b | 2.0 ± 0.9 g | 2.1 ± 0.8 | 0.4 |
BASFI, score | 2.8 ± 2.1c | 2.7 ± 2.0 g | 2.9 ± 2.1e | 0.2 |
BASMI, score | 3.5 ± 1.7 | 3.7 ± 1.8 | 3.3 ± 1.4 | 0.01 |
BASDAI QN1 Fatigue | 4.6 ± 2.6 | 4.2 ± 2.5 | 5.2 ± 2.6 | 0.001 |
BASDAI QN4 Level of discomfort | 3.0 ± 2.7c | 2.6 ± 2.4d | 3.7 ± 2.8 | < 0.001 |
mSASSS, score | 15.5 ± 19.7, 6 (0, 24)c | 20.5 ± 21.6, 11.5 (2, 34)d | 7.4 ± 12.5, 2.0 (0, 10) | < 0.001 |
mSASSS cervical, score | 7.0 ± 11.2, 1.0 (0, 9)c | 9.6 ± 12.5, 2.5 (0, 17)d | 2.8 ± 6.9, 0.0 (0, 2) | < 0.001 |
Days to X-rays | 36.0 ± 32.5, 27.5 (21, 41)c | 38.7 ± 39.6, 27.0 (21, 40)d | 31.4 ± 13.6, 28.0 (22, 41) | 0.007 |
Swollen joint count 66 | 0.2 ± 0.9b | 0.2 ± 1.0 | 0.1 ± 0.8e | 0.9 |
Tender joint count 68 | 1.3 ± 4.9 | 0.4 ± 1.2 | 2.8 ± 7.5 | < 0.001 |
Delay of diagnosis, years | 9.2 ± 8.1a | 8.0 ± 7.5d | 11.3 ± 8.6e | < 0.001 |
csDMARD monotherapy | 40 (11.3) | 21 (9.5) | 19 (14.3) | 0.2 |
bDMARD monotherapy | 29 (8.2) | 20 (9.1) | 9 (6.8) | 0.4 |
csDMARD and bDMARD | 40 (11.3) | 29 (13.2) | 11 (8.3) | 0.2 |
NSAID, regular or on demand | 279 (79.3)b | 170 (77.3) | 109 (82.0)e | 0.2 |