Table 2 Patient background and disease-related characteristics collected at time of inclusion
From: Axial spondyloarthritis and breastfeeding: a prospective study
Number of included births in the study | n | |
|---|---|---|
Age, mean (SD) | 417 | 30.7 (4.5) |
Age ≥ 35 years (%) | 82 (19.7) | |
Missing | 0 | |
Previous live birth (%) | 390 | 206 (52.8) |
Missing | 27 | |
Pregnant (%) | 417 | 270 (64.7) |
Missing | 0 | |
BMI kg/m2 mean (SD) | 401 | 25.7 (4.8) |
Underweight (< 18.5) (%) | 4 (1.0) | |
Normal weight (18.5–24.9) (%) | 206 (51.4) | |
Overweight (≥ 25.0) (%) | 191 (47.6) | |
Obesity (≥ 30.0) (%) | 73 (18.2) | |
Missing | 16 | |
Tobacco a (%) | 375 | 33 (8.8) |
Missing | 42 | |
Educational level b (%) | 407 | |
Low | 8 (2.0) | |
Intermediate | 114 (28.0) | |
High | 285 (70.0) | |
Missing | 10 | |
Working fulltime or part-time (%) | 408 | 309 (75.7) |
Missing | 9 | |
Exercising regularlyc(%) | 306 | 218 (71.2) |
Missing | 111 | |
Living situation | 403 | |
Living with someone (%) | 390 (96.8) | |
Living alone (%) | 13 (3.2) | |
Missing | 14 | |
Disease related characteristics | ||
Disease duration, years, mean (SD) | 380 | 4.5 (3.9) |
Missing | 37 | |
Classification criteria met (%) | 417 | 389 (93.3) |
Missing | 0 | |
HLA-B27 positive (%) | 340 | 271 (79.7) |
Missing | 77 | |
CRP mg/L mean (SD) | 382 | 5.8 (7.1) |
CRP ≥ 5 (%) | 140 (36.6) | |
Missing | 35 | |
BASDAI, mean (SD) | 348 | 3.4 (2.3) |
BASDAI ≥ 4 (%) | 132 (37.9) | |
Missing | 69 | |
ASDAS-CRP, mean (SD) | 253 | 2.2 (0.9) |
ASDAS-CRP ≥ 1.3 (%) | 206 (81.4) | |
Missing | 164 | |
VAS scores (0–100 mm) mean (SD) | ||
Pain | 341 | 32.4 (25.1) |
Missing | 76 | |
Fatigue | 328 | 50.0 (30.7) |
Missing | 89 | |
Total | 339 | 35.8 (25.7) |
Missing | 78 | |
Medications | ||
csDMARDs (%) | 417 | 27 (6.5) |
Sulfasalazine | 22 (5.3) | |
Methotrexate | 5 (1.2) | |
Missing | 0 | |
TNF-inhibitors (%) | 417 | 116 (27.8) |
Missing | 0 | |
Secukinumab (%) | 417 | 0 (0.0) |
Missing | 0 | |