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Table 3 Associations between qualitative patients’ characteristics and cfPWV (m/s) in RA patients

From: The count of tender rather than swollen joints correlates with aortic stiffness in patients with rheumatoid arthritis

	Median (25–75 percentiles)	Significance (p)
Gender
Male	8.55 (8.20–8.93)	0.471 (0.598)^‡
Female	8.80 (7.63–10.00)	0.471 (0.598)^‡
ANA
Positive (>1:80)	8.70 (8.00–9.60)	0.993 (0.768)^‡
Negative	8.80 (7.10–10.50)	0.993 (0.768)^‡
Nicotine
Non-smokers	8.70 (7.66–9.75)	0.937 (0.617)^‡
Smokers	8.70 (8.05–9.45)	0.937 (0.617)^‡
Arterial hypertension
No	8.60 (7.00–9.30)	0.176 (0.059)^‡
Yes	8.75 (8.50–10.00)	0.176 (0.059)^‡
Obesity (BMI > 25 kg/m²)
Non-obese	8.60 (7.20–9.15)	0.071 (−)^‡
Obese	8.80 (8.50–10.30)	0.071 (−)^‡
Hyperlipidemia
No	8.75 (8.05–9.30)	0.867 (0.424)^‡
Yes	8.90 (7.45–10.23)	0.867 (0.424)^‡
Diabetes mellitus (type II)
No	8.60 (7.63–9.53)	0.182 (0.234)^‡
Yes	9.30 (8.20–12.90)	0.182 (0.234)^‡

Mann–Witney U test was used
RA rheumatoid arthritis, cfPWV carotid-femoral pulse wave velocity, ANA antinuclear antibodies, BMI body mass index
^‡ in parentheses p values adjusted for age and obesity by multiple regression

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