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Table 1 Characteristics of hospitalizations, rhythm control procedure utilization, and mortality outcome for primary atrial fibrillation (patient level, financial, and hospital-level) from 2012 to 2015 in cancer vs. non-cancer patients

From: Length of stay and cost of care associated with admissions for atrial fibrillation among patients with cancer

Variable Breast cancer (n = 53,800) P value* Lung cancer (n = 29,535) P value* Colon cancer (n = 22,525) P value* Prostate cancer (n = 39,145) P value* Lymphoma (n = 19,025) P value* Non-cancer (n = 1,324,335)
Patient characteristics            
 Age, years (mean ± SE) 77.4 ± 0.1  < .001 73.5 ± 0.1  < .001 78.3 ± 0.2  < .001 76.8 ± 0.1  < .001 74.0 ± 0.2  < .001 69.5 ± 0.04
 Women, % 99.1  < .001 46.5  < .001 56.5  < .001    48.3  < .001 51.6
 Race, %    < .001    < .001    < .001    < .001    < .001  
  White 87.8   87.0   86.3   85.2   87.3   81.9
  Black 6.0   6.8   6.4   8.5   5.6   8.1
  Hispanic 3.3   2.9   4.2   3.7   3.8   5.8
  Asian or Pacific Islander 1.1   1.4   1.1   0.8   1.3   1.5
  Native American 0.2   0.4   0.3   0.2   0.4   0.4
  Other 1.5   1.5   1.8   1.6   1.7   2.2
 Income quartiles    < .001   .0001   .0001    < .001    < .001  
  0–25 23.5   28.8   25.6   23.2   21.5   27.6
  26–50 26.0   26.7   28.2   26.2   26.6   26.8
  51–75 25.4   24.9   24.2   23.8   25.2   24.3
  76–100 25.1   19.6   22.0   26.8   26.8   21.2
Payment source (%)    < .001    < .001    < .001    < .001    < .001  
 Medicare 86.1   78.7   86.0   83.6   79.4   65.3
 Medicaid 1.6   4.3   1.8   1.0   2.2   5.5
 Private 11.1   14.4   10.2   13.0   16.6   23.5
 Self-pay 0.5   0.8   0.8   0.5   0.6   3.3
 No charge 0.1   0.1   0.1   0.03   0.2   0.4
 Others 0.7   1.7   1.2   1.9   1.0   2.1
Comorbidities (%)            
Cardiomyopathy 8.8  < .001 6.6  < .001 8.7  < .001 10.4  < .001 11.8 .0001 11.7
 Hypertension 77.7  < .001 69.8  < .001 77.9  < .001 77.6  < .001 70.0  < .001 74.2
 Diabetes 26.4  < .001 26.5  < .001 29.4 0.19 27.2  < .001 26.3  < .001 28.8
 Obesity 12.5  < .001 8.0  < .001 11.0  < .001 10.5  < .001 10.3  < .001 18.4
 Dyslipidemia 50.1  < .001 45.3  < .001 47.6 0.38 56.4  < .001 43.4  < .001 47.6
 Coronary artery disease 24.9  < .001 32.9  < .001 32.7  < .001 41.2  < .001 29.5 .12 30.1
 Prior myocardial infarction 6.5 .005 9.0  < .001 9.1  < .001 10.2  < .001 7.1 .06 7.4
 Prior coronary bypass grafting 4.7  < .001 7.8 .0002 8.4  < .001 12.4  < .001 7.3 .82 7.3
 Peripheral vascular disease 6.5 .03 11.5  < .001 8.9  < .001 10.2  < .001 7.4 .80 7.0
 Prior TIA/stroke 12.4  < .001 8.5 .79 12.5  < .001 11.8  < .001 9.2 .36 9.7
 Chronic renal disease 15.0 .37 14.5 .30 20.5  < .001 22.0  < .001 23.2  < .001 15.3
 Chronic lung disease 23.4 .005 56.6  < .001 24.9 .003 23.2  < .001 22.4 .14 22.7
 Coagulation disorder 3.5 .26 7.0  < .001 4.8  < .001 5.8  < .001 11.3  < .001 3.3
 Smoker 23.4  < .001 57.3  < .001 29.2 .17 36.1  < .001 26.9 .0001 28.0
Total elixhauser’s comorbidities    < .001    < .001    < .001    < .001    < .001  
 0 4.7   1.0   3.9   5.4   1.7   8.6
 1 17.9   7.3   15.3   18.7   9.2   21.4
 2 24.8   18.1   22.6   24.6   19.2   25.4
  ≥ 3 52.5   73.7   58.2   51.4   70.0   44.6
 Elixhauser’s mortality score (mean ± SE) 4.7 ± 0.1  < .001 12.4 ± 0.1  < .001 6.5 ± 0.1  < .001 6.3 ± 0.1  < .001 10.3 ± 0.2  < .001 2.4 ± 0.02
 Teaching hospital (%) 52.3 .0001 50.9 .02 50.1 .01 54.0  < .001 56.2  < .001 51.2
Bed size, (%)   .07   .66   .57    < .001   .09  
 Small 16.0   16.2   15.9   15.2   15.8   16.7
 Medium 28.6   28.1   28.2   28.2   27.4   28.4
 Large 55.4   55.7   55.9   56.6   56.8   54.9
Region (%)    < .001    < .001    < .001    < .001    < .001  
 Northeast 21.9   20.9   22.5   22.9   23.1   20.7
 Midwest 25.5   25.6   26.8   26.0   24.7   24.4
 South 37.0   41.0   36.7   36.0   36.4   40.1
 West 15.7   12.6   14.1   15.1   15.8   14.8
Rhythm control procedure            
 DCCV 10.8  < 0.001 8.2  < 0.001 10.4  < 0.001 13.6  < 0.001 11.4  < 0.001 15.6
 AF ablation 3.6  < 0.001 2.5  < 0.001 2.9  < 0.001 4.7  < 0.001 3.7  < 0.001 5.7
Mortality 0.9 0.7 3.2  < 0.001 1.1 0.001 0.8 0.08 2.3  < 0.001 0.9
  1. AF, atrial fibrillation; DCCV, DC cardioversion
  2. *P values presented in the column next to the values for each cancer is versus non-cancer, the values of which are presented in the last column