Risk of venous thromboembolism in patients with rheumatoid arthritis: a meta-analysis of observational studies

BMC Rheumatology

Table 2 Descriptive statistics regarding venous thromboembolism for included studies

First author and year	Number of RA patients	Number of comparators	Sex (% female)	Mean age or age range	VTE point estimate	DVT point estimate	PE point estimate
Bacani 2012	464	464	69	55.5 ± 15.5	HR 3.6	NAV	NAV
Choi 2013	9589	95,776	69.4	58.3 ± 14.1	RR 2.14	RR 2.16	RR 2.16
Chung 2014	29,238	116,952	77	52.0 ± 15.9	NAV	HR 3.36	HR 2.07
Holmqvist 2012	7904	37,350	69	57.0 ± 15.0	HR 1.6	HR 1.6	HR 1.8
Johannesdottir 2012	1808	147,210	NAV	NAV	IRR 1.2	IRR 1.3	IRR 1.0
Kim 2013	22,143	88,572	75	52.2 ± 12.0	HR 1.4	HR 1.2	HR 1.9
Li 2021	39,142	78,078	65.8	59.5 ± 15.7	HR 1.28	HR 1.3	HR 1.25
Ramagopalan (a) 2011	14,231	313,716	73	NAV	RR 1.45	NAV	NAV
Ramagopalan (b) 2011	11,241	187,609	72	NAV	RR 1.57	NAV	NAV
Ramagopalan (c) 2011	268,005	3,707,315	71	NAV	RR 1.75	NAV	NAV
Zoller 2012	82,020	NAV	70.5	NAV	NAV	NAV	SIR 1.91
Galloway 2020	23,410	93,640	71.1	59	HR 1.54	HR 1.64	HR 1.57
Molander 2021	46,316	215,843	74	NAV	RR 1.88	NAV	NAV
Setyawan 2021	47,249	182,431	NAV	NAV	NAV	IRR 1.04	IRR 1.08

Abbreviations: DVT = deep vein thrombosis; HR = hazard ratio; IRR = incidence rate ratio; PE = pulmonary embolism; NAV = not available; RA = rheumatoid arthritis; RR = risk ratio; VTE = venous thromboembolism

ISSN: 2520-1026