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Table 5 Univariate and multiple logistic regression analyses for factors significantly associated with metabolic syndrome compared between genders among all patients included in this study

From: Association between syndesmophyte and metabolic syndrome in patients with psoriatic arthritis or ankylosing spondylitis: a cross-sectional study

Variables Characteristics
Metabolic syndrome
Univariate analysis Multiple regression analysis
Yes No OR 95% CI OR 95% CI
Female gender, n (%) 55 (37.2%) 93 (62.8%)     
Psoriatic arthritis, n (%) 47 (85.5%) 42 (45.2%)* 7.42* 3.13–17.57 3.48* 1.14–10.60
Age > 40, n (%) 50 (90.9%) 48 (51.6%)* 9.96* 3.62–27.41 2.44 0.95–12.48
History of smoking, n (%) 2 (3.6%) 2 (2.2%) 1.54 0.21–11.24 N/A N/A
BMI > 23 kg/m2, n (%) 42 (76.4%) 40 (43.0%)* 4.5* 2.12–9.58 3.74* 1.31–10.60
Disease duration > 10 years, n (%) 12 (21.8%) 27 (29.0%) 0.68 0.31–1.49 N/A N/A
SynAnk, median (IQR) 5 (7) 0 (3)* 1.15* 1.06–1.25 1.18* 1.05–1.32
ASDAS-CRP > 2.1, n (%) 15 (34.1%) 36 (52.9%)** 0.36* 0.16–0.81 0.37 0.14–1.01
Male gender, n (%) 46 (26.9%) 125 (73.1%)     
Psoriatic arthritis, n (%) 25 (54.3%) 52 (41.6%) 1.83** 0.91–3.68 0.96 0.43–2.17
Age > 40, n (%) 39 (84.8%) 75 (60.0%)* 3.47* 1.43–8.45 2.91* 1.07–7.93
History of smoking, n (%) 11 (23.9%) 40 (32.0%) 0.65 0.29–1.47 N/A N/A
BMI > 23 kg/m2, n (%) 42 (91.3%) 56 (45.5%)* 13.27* 4.45–39.56 11.42* 3.75–34.79
Disease duration > 10 years, n (%) 23 (50.0%) 55 (44.0%) 1.27 0.65–2.51 N/A N/A
SynAnk, median (IQR) 7.5 (11) 4.0 (11)* 1.05* 1.01–1.10 1.02 0.97–1.08
ASDAS-CRP > 2.1, n (%) 13 (34.2%) 43 (44.8%) 0.73 0.33–1.61 N/A N/A
  1. *Indicates a p-value < 0.05; **Indicates a p-value from 0.05 to < 0.2
  2. Abbreviations: OR Odds ratio; CI Confidence interval; BMI Body mass index; SynAnk Number of syndesmophyte or ankylosis; ASDAS-CRP Ankylosing Spondylitis Disease Activity - C-reactive protein; N/A Not applicable