Burden of atrial fibrillation in patients with rheumatic diseases

Table 2 Patient-level characteristics of hospitalizations with specific rheumatic diseases

Characteristics	Lupus (n = 397935)	Ankylosing Spondylitis (n = 39250)	Sjogren syndrome (n = 114885)	Dermato-polymyositis (n = 30400)	Scleroderma (n = 69865)	Rheumatoid arthritis (n = 1249979)	Gout (n = 1953389)	Reactive arthritis (n = 5690)	Psoriaticarthritis (n = 87110)	Pseudogout (n = 43375)	Polymyalgia rheumatica (n = 172655)	Enteropathic arthritis (n = 935)	Vasculitis (n = 47125)
Age, yr, mean ± SD	52.1 ± 16.9	60.2 ± 16.2	64 ± 15.5	60.6 ± 16.5	62.6 ± 14.4	67.2 ± 14.2	70.5 ± 12.9	54.8 ± 17.9	60.8 ± 13.9	75.4 ± 12.1	79.1 ± 9.4	45.6 ± 17.4	60.9 ± 16.3
Gender
Male	11.5%	65.1%	8.4%	31.5%	15.5%	26%	67.5%	63.3%	42.8%	48.5%	31.7%	37.9%	47.5%
Female	88.5%	34.9%	91.5%	68.5%	84.5%	74%	32.5%	36.7%	57.2%	51.4%	68.3%	62%	52.5%
Elixhauser Comorbidities
Afib.	9.9%	14.7%	14.7%	16.5%	17.3%	18.9%	30.2%	12%	14.7%	27.1%	33.2%	3.2%	18.2%
Coronary Arterial Disease	17.9%	21.5%	18.9%	21.7%	22.5%	25.8%	38.7%	16.1%	21.6%	28.6%	35.3%	7.5%	22.7%
Congestive heart failure	12.8%	10.1%	11%	14.2%	17.7%	14.1%	21.1%	8.6%	8.8%	15.5%	18.5%	5.3%	15.7%
Obstructive sleep apnea	7.4%	11.1%	10.2%	9.4%	7.8%	9.7%	16.4%	8.6%	14.7%	7.8%	11.2%	6.4%	9.4%
Valvular disease	4%	3.5%	4.7%	3.5%	5.5%	4.4%	5%	2.7%	3.2%	7.1%	7.5%	0.5%	4.3%
Chronic pulmonary disease	22.3%	19.3%	24.2%	18.7%	23.1%	27.8%	22.8%	17.9%	21.9%	18.5%	23.2%	17.6%	28.2%
Hypertension	53.4%	52.7%	51.6%	53.9%	50.8%	61.1%	69.4%	44.8%	58.2%	68.9%	67.6%	26.7%	58.4%
Diabetes w/o chronic complications	8.9%	11.7%	8.5%	14,5%	6.8%	12.9%	15.9%	7.9%	13.5%	12.6%	12.6%	9.1%	8.6%
Diabetes w/ chronic complications	9.7%	10.6%	8%	13.4%	7%	12.1%	23%	10.7%	14.4%	14.2%	14.6%	4.8%	14.2%
Pulmonary Hypertension	6.6%	3.5%	7.5%	8.7%	29.5%	5.5%	8.3%	2.1%	3.8%	4.9%	6.9%	1.1%	5.8%
Hypothyroidism	15.3%	10.1%	23.9%	14.7%	20.5%	17.7%	14.2%	8.2%	15.6%	16.5%	22.5%	6.4%	12.6%
Renal failure	23.5%	11.5%	13.3%	10.9%	17.4%	14.7%	37.1%	11.1%	11.6%	20.6%	23.6%	4.8%	39.1%
Obesity	15.5%	15.3%	13.5%	14.9%	7.5%	15.3%	21.8%	11.7%	23.4%	11.1%	11.6%	14.4%	12.7%
Alcohol abuse	1.7%	3.5%	1%	1.4%	1.4%	2.1%	4.2%	4.3%	4.4%	2.9%	1.1%	0.5%	2.4%
Drug abuse	4.9%	4.9%	2.5%	2.5%	2.6%	3.2%	1.7%	7.5%	3.6%	1.8%	1.1%	5.3%	3.5%
Depression	15.6%	14.6%	17.2%	12.5%	13.2%	15.6%	10.4%	10.5%	17.6%	10.7%	13.9%	14.9%	11.1%
Outcomes
In-hospital mortality	1.9%	2.4%	2%	3.5%	4.8%	2.3%	2.4%	1.3%	1.4%	1.1%	2.6%	2.1%	4%
Length of stay, d, mean ± SD	5.5 ± 6.9	5.5 ± 7.4	5.1 ± 6.3	6.9 ± 8.7	6.2 ± 7.6	5 ± 5.4	5.4 ± 5.9	5.8 ± 6.3	4.9 ± 5.6	6 ± 6.7	4.9 ± 4.6	5.8 ± 8.6	7.1 ± 8.8
Total hospitalization cost, $, mean ± SD	14389 ± 21148	17661 ± 22624	14213 ± 19367	19190 ± 39030	17052 ± 29497	13744 ± 16245	14566 ± 18344	14343 ± 17693	14726 ± 18097	14742 ± 18924	13368 ± 14943	16008 ± 25989	19874 ± 29132

BMI: Body mass index; SD: Standard deviation.