Biologics and cardiovascular events in inflammatory arthritis: a prospective national cohort study

Table 1 Patient characteristics at ARAD enrolment (n = 4140)

	Median (interquartile range)	Number	Percentage
Age (years)	56 (46–64)
< 40		569	13.7
40–49		779	18.8
50–59		1182	28.6
60–69		1067	25.8
≥ 70		543	13.1
Sex
Male		1393	33.6
Female		2747	66.4
Disease duration (years)	10 (4–19)
≤ 5		1075	26.0
6–10		833	20.1
11–20		694	16.8
21–30		536	12.9
> 30		986	23.8
Unknown^a		16	0.4
Diagnosis
RA		3167	76.5
AS		561	13.5
PsA		412	10.0
Health Assessment Questionnaire Disability Score^b	1.13 (0.50–1.75)
Smoking regularly
Current or past		1540	37.2
Never		2129	51.4
Unknown^a		471	11.4
Alcohol consumption
Never		1342	32.4
Sometimes		2253	54.4
Every day		545	13.2
History of co-morbid medical conditions
Diabetes
No		3826	92.4
Yes		313	7.6
Unknown^a		1	0.0
Hypertension
No		2654	64.1
Yes		1446	34.9
Unknown^a		40	1.0
Hyperlipidaemia
No		3263	78.8
Yes		791	19.1
Unknown^a		86	2.1
Angina
No		3949	95.4
Yes		171	4.1
Unknown^a		20	0.5
Myocardial infarction
No		3984	96.2
Yes		149	3.6
Unknown^a		7	0.2
Coronary artery bypass graft
No		4084	98.6
Yes		52	1.3
Unknown^a		4	0.1
Percutaneous coronary intervention
No		4031	97.4
Yes		105	2.5
Unknown^a		4	0.1
Other heart disease (e.g. valve disease)
No		3914	94.5
Yes		216	5.2
Unknown^a		10	0.2
Stroke/TIA
No		4042	97.6
Yes		92	2.2
Unknown^a		6	0.1

ARAD Australian Rheumatology Association Database, AS ankylosing spondylitis, PsA psoriatic arthritis, RA rheumatoid arthritis, TIA transient ischaemic attack
^aParticipant reports that they do not know, or are unsure
^bRange 0–3 where a higher score indicates greater disability

ISSN: 1478-6362