Table 2:
Without AF (n = 542,440) | With AF (n = 32,790) | p-value | |
---|---|---|---|
Mean age, years | 50.78 | 70.47 | < 0.0001 |
Female sex | 47.18% | 42.05% | < 0.0001 |
Race | < 0.0001 | ||
White | 63.49% | 79.78% | < 0.0001 |
Black | 17.53% | 9.76% | < 0.0001 |
Hispanic | 13.12% | 6.15% | < 0.0001 |
Asians | 2.05% | 1.94% | 0.003 |
Native Americans | 0.89% | 0.6% | < 0.0001 |
Others | 2.92% | 1.77% | < 0.0001 |
Charlson Comorbidity Index | < 0.0001 | ||
0 | 42.15% | 19.17% | |
1 | 30.22% | 23.35% | |
2 | 13.45% | 19.64% | |
≥3 | 14.18% | 37.85% | |
Hospital bed size | < 0.0001 | ||
Small | 23.43% | 21.53% | |
Medium | 30.83% | 29.46% | |
Large | 45.74% | 49.01% | |
Hospital teaching status | 0.1066 | ||
Nonteaching | 40.10% | 39.02% | |
Teaching | 59.90% | 60.98% | |
Hospital location | 0.5569 | ||
Rural | 12.18% | 11.92% | |
Urban | 87.82% | 88.08% | |
Expected primary payer | < 0.0001 | ||
Medicare | 29.63% | 72.10% | |
Medicaid | 26.28% | 9.0% | |
Private | 34.36% | 16.53% | |
Self-pay | 9.73% | 2.36% | |
Median household income (quartile) | < 0.0001 | ||
1st (0–25th) | 33.26% | 29.16% | |
2nd (26th-50th) | 26.67% | 27.29% | |
3rd (51st-75th) | 23.12% | 24% | |
4th (76th-100th) | 16.95% | 19.56% | |
Hospital region | 0.0061 | ||
Northeast | 16.73% | 18.18% | |
Midwest | 22.55% | 23.38% | |
South | 41.03% | 39.45% | |
West | 19.69% | 19.00% | |
Dyslipidemia | 31.49% | 49.85% | < 0.0001 |
Old MI | 3.26% | 9.94% | < 0.0001 |
Old PCI | 0.33% | 1.14% | < 0.0001 |
Old CABG | 2.08% | 9.18% | < 0.0001 |
Old pacemaker | 0.71% | 8.75% | < 0.0001 |
COPD | 8.90% | 20.62% | < 0.0001 |
Carotid artery disease | 0.17% | 0.91% | < 0.0001 |
HTN | 46.56% | 51.45% | < 0.0001 |
Peripheral vessel disease | 1.31% | 4.82% | < 0.0001 |
Hypothyroidism | 8.32% | 16.74% | < 0.0001 |
DM types 1 and 2 | 25.93% | 34.35% | < 0.0001 |
Obesity | 15.85% | 18.15% | < 0.0001 |
CKD | 8.03% | 24.53% | < 0.0001 |
Liver disease | 19.10% | 14.62% | < 0.0001 |
Electrolyte imbalance | 31.92% | 34.55% | < 0.0001 |
Maintenance hemodialysis | 1.57% | 3.05% | < 0.0001 |
O2 dependence | 0.79% | 3.03% | < 0.0001 |
Smoking | 19.14% | 27.08% | < 0.0001 |
Anemia | 16.90% | 24.87% | < 0.0001 |
Taking anticoagulants | 2.07% | 33.36% | < 0.0001 |
CAD | 8.91% | 32.02% | < 0.0001 |
AF: atrial fibrillation/flutter; CABG: coronary artery bypass graft; CAD: coronary artery disease; CKD: chronic kidney disease; COPD: chronic obstructive pulmonary disease; DM: diabetes mellitus; HTN: hypertension; median household income: median household income for patient’s zip code; MI: myocardial infarction; O2: oxygen; PCI: percutaneous coronary intervention.