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Table 1 Patient characteristics at baseline by sex

From: Sex-specific differences and how to handle them in early psoriatic arthritis

  All Men Women p < 0.05
n = 620 n = 307 n = 313  
Age at onset of PsA* 50 (39–60) 50 (40–61) 51 (38–60)  
Duration of symptoms (months)* 11 (3.6–33.3) 7.4 (3.2–25.6) 13.5 (4.6–44.8) *
Working status (age < 68), yes** 71% 78% 64% *
Educational status (years)* 12 (10–15) 13 (11–16) 12 (10–15) *
Ethnicity (Dutch)** 94% 94% 93%  
Smoking, yes** 21% 18% 24%  
BMI* 27.5 (25–31.4) 27.2 (24.8–31.1) 27.9 (24–31.7)  
Obesity (BMI > 30 kg/m2) 32% 28% 36% *
CRP (mg/L)* 3.9 (0–10) 4 (0.8–11) 3.4 (0–9)  
CRP positive (> 5 mg/L) 36% 41% 30% *
SJC66* 2 (1–4) 2 (1–4) 2 (0–4) *
TJC68* 3 (1–7) 2 (1–5) 4 (2–8) *
VAS global* 47 (24–65) 40 (19–58) 51 (31–70) *
Pain (VAS score)* 47 (25–69) 41 (21.5–62) 53 (31–71) *
PASI* 2 (0.4–4.4) 2.4 (0.6–5.2) 1.45 (0.3–3.45) *
Anxiety** 4 (2–7) 4 (1–6) 5 (3–8) *
BRAF* 20 (10–31) 16 (6–27) 25 (15–34) *
HAQ* 0.75 (0.38–1.13) 0.63 (0.19–0.88) 0.88 (0.50–1.25) *
CPDAI* 4 (2–5) 3 (2–5) 4 (3–6) *
DAPSA* 21 (13–32) 19 (11–32) 22 (15–32) *
GRACE* 3.4 (2.3–4.3) 3.0(2.0–4.3) 3.6(2.6–4.5)  
MDA** 31% 30% 32%  
PASDAS*** 4.2 (3.3–4.9) 4 (3.1–4.8) 4.3 (3.5–5) *
  1. BMI, body mass index, BRAF, Bristol Rheumatoid Arthritis Fatigue; CPDAI, Composite Psoriatic Disease Activity Index; CRP, C-reactive protein; DAPSA, Disease activity index for Psoriatic Arthritis; GRACE, GRAppa Composite ScorE; HAQ, Health Assessment Questionnaire; IQR, interquartile range; PASDAS , Psoriatic Arthritis Disease Activity Score; PASI, Psoriasis Area and Severity Index; SJC66, swollen joint count; TJC68 , tender joint count; VAS, visual analog scale. A p < 0.05 is considered statistically significant
  2. *median (IQR)
  3. **n(%)
  4. ***mean (SD)