Introduction
Methods
Symptom checker diagnosis
Healthcare professional-based telehealth diagnosis supported by symptom checkers
Statistical analysis
Results
Patient characteristics | All patients (n = 36) | axSpA (n = 17) | No. axSpA (n = 19) | P value | 95% CI (and Odd’s ratio)* |
---|---|---|---|---|---|
Age, Mdn (IQR) | 37.19 (20.6) | 34.4 (15.2) | 39.9 (18.0) | 0.24 | – 3.6 to 12 |
BMI, Mdn (IQR) | 24.6 (5.1) | 25.8 (2.3) | 24.4 (8.2) | 0.59 | – 3.4 to 2.5 |
Active smoker status, N (%) | 5 (13.9) | 4 (21.1) | 1 (5.9) | 0.16 | 0.7 to 70.9 (5.5) |
Female gender, N (%) | 21 (58.3) | 7 (41.2) | 14 (73.7) | 0.09 | 0.1 to 1.0 (0.3) |
Chronic lower back pain, N (%) | 36 (100) | 17 (100) | 19 (100) | 1.00 | – |
Peripheral enthesiopathy, N (%) | 10 (27.8) | 6 (35.3) | 4 (21.1) | 0.46 | 0.5 to 7.5 (2.0) |
Peripheral arthralgia | 15 (41.7) | 6 (35.3) | 9 (47.4) | 0.52 | 0.2 to 2.4 (0.6) |
Elevated baseline CRP, N (%) | 7 (38.9) | 4 (23.5) | 3 (15.8) | 0.68 | 0.4 to 7.3 (1.6) |
HLA-B27 positive, N (%) | 18 (50) | 10 (58.8) | 8 (42.1) | 0.51 | 0.6 to 6.5 (2.0) |
History of uveitis, N (%) | 0 (0) | 0 (0) | 0 (0) | 1.00 | – |
History of IBD, N (%) | 0 (0) | 0 (0) | 0 (0) | 1.00 | – |
History of psoriasis, N (%) | 1 (2.8) | 1 (5.9) | 0 (0) | 0.48 | 0.1 to Inf (Inf) |
NSAR response, N (%) | 27 (75) | 15 (88.2) | 12 (63.2) | 0.13 | 0.9 to 23.0 (4.4) |
Familiy history of axSpA | 7 (38.9) | 1 (5.9) | 6 (31.6) | 0.09 | 0.01 to 1.1 (0.14) |
Family history of IBD | 3 (8.3) | 0 (0) | 3 (15.8) | 0.23 | 0.0 to 1.2 (0.0) |
Family history of psoriasis | 4 (11.1) | 1 (5.9) | 3 (15.8) | 0.61 | 0.0 to 2.5 (0.3) |
Baseline PtGA, Mdn (IQR) | 5 (3) | 4 (3) | 5 (3) | 0.36 | – 2.0 to 1.0 |
Baseline Morning stiffness at T-1, Mdn (IQR) | 30 (51.3) | 30 (50) | 30 (37.5) | 0.86 | – 27.0 to 20.0 |
Baseline BASDAI, Mdn (IQR) | 4.2 (2.7) | 4 (2.3) | 4.3 (2.7) | 0.47 | – 1.0 to 2.0 |
BASMI > 0, N (%) | 13 (36.1) | 6 (35.3) | 7 (36.8) | 1.00 | 0.2 to 3.4 (0.8) |