Table 1.
Demographics and Baseline Characteristics for Patients without Prevalent Atrial Fibrillation Who Underwent Non-Cardiac Surgery: Stratified by Presence or Absence of New-Onset Atrial Fibrillation
| New-Onset Atrial Fibrillation | ||||
|---|---|---|---|---|
| Characteristics | Overall Populations Undergoing Non-Cardiac Surgery (N=184,775) | Yes (N=3,806) | No (N=149,366) | Pre-Existing Atrial Fibrillation (N=31, 603) |
| Age, median (IQR), years | 53.5 (19.3%) | 75.6 (10.6%) | 69.8 (12.5%) | 77.5 (10.2%) |
| Female | 80,022 (43.3%) | 1,637 (43.0%) | 655,506 (43.9%) | 12,879 (40.8%) |
| White | 129,445 (70.06%) | 2,802 (73.6%) | 101,794 (68.2%) | 24,849 (78.6%) |
| Black | 19,359 (10.5%) | 283 (7.4%) | 17,036 (11.4%) | 2,040 (6.5%) |
| Hispanic | 14,002 (7.6%) | 228 (6.0) | 12,073 (8.1%) | 1,701 (5.4%) |
| Other | 21,907 (11.9%) | 491 (12.9) | 18,414 (12.3%) | 3,002 (9.5%) |
| Alcohol Abuse | 4,013 (2.2%) | 96 (2.5%) | 3,338 (2.2%) | 579 (1.8%) |
| Anemia | 32,222 (17.4%) | 817 (21.5%) | 24,619 (16.5%) | 6,786 (21.5%) |
| Chronic Kidney Disease | 34,890 (18.9%) | 752 (19.8%) | 25,927 (17.4%) | 8,211 (26.0%) |
| Chronic Pulmonary Disease | 42,892 (23.2%) | 1,130 (29.7%) | 33,622 (22.5%) | 8,140 (25.8%) |
| Coronary Artery Disease | 126,376 (10.0%) | 2,663 (70.0%) | 100,170 (67.1%) | 23,543 (74.5%) |
| Diabetes Mellitus | 51,042 (27.6%) | 888 (23.3%) | 41,684 (27.9%) | 8,470 (26.8%) |
| End-Stage Renal Disease | 11,165 (6.0%) | 217 (5.7%) | 8,641 (5.8%) | 2,307 (7.3%) |
| Prior Heart Failure | 26,054 (14.1%) | 830 (21.8%) | 15,842 (10.6%) | 9,382 (29.7%) |
| Prior Venous Thromboembolism | 6,867 (3.7%) | 120 (3.2%) | 5,286 (3.5%) | 1,461 (4.6%) |
| Dyslipidemia | 104,040 (56.3%) | 2,038 (53.6%) | 85,340 (57.1%) | 16,662 (52.7%) |
| Hypertension | 145,827 (78.9%) | 2,994 (78.7%) | 117,491 (78.7%) | 25,342 (80.2%) |
| Malignancy | 4,035 (2.2%) | 104 (2.7%) | 3,122 (2.1%) | 809 (2.6%) |
| Obesity | 25,479 (13.8%) | 463 (12.2%) | 21,083 (14.1%) | 3,933 (12.5%) |
| Peripheral Arterial Disease | 52,801 (28.6%) | 1,178 (31.0%) | 43,221 (28.9%) | 8,402 (26.6%) |
| Prior Coronary Artery Bypass Graft | 32,585 (17.6%) | 614 (16.1%) | 25,023 (16.8%) | 6,948 (22.0%) |
| Prior Percutaneous Coronary Intervention | 38,230 (20.7%) | 671 (17.6%) | 32,316 (21.6%) | 5,243 (16.6%) |
| Prior Stroke/TIA | 32,270 (17.5%) | 582 (15.3%) | 25,757 (17.2%) | 5,931 (18.8%) |
| Smoker | 59,827 (32.4%) | 1,204 (31.6%) | 50,210 (33.6%) | 8,413 (16.9%) |
| Valvular Heart Disease | 40,706 (3.2%) | 512 (13.5%) | 10,335 (6.9%) | 5,344 (16.9%) |
| General | 32,613 (17.7%) | 1,103 (29.0%) | 25,782 (17.3%) | 5,728 (18.1%) |
| Genitourinary | 12,578 (6.8%) | 189 (5.0%) | 10,290 (6.9%) | 2,099 (6.6%) |
| Neurosurgery | 7,970 (4.3%) | 123 (3.2%) | 6,684 (4.5%) | 1,163 (3.7%) |
| Orthopedic | 70,349 (38.1%) | 962 (25.3%) | 57,074 (38.2%) | 12,313 (39.0%) |
| Other Surgeries | 6,617 (3.6%) | 79 (2.1%) | 5,829 (3.9%) | 709 (2.2%) |
| Skin/Burn | 5,706 (3.1%) | 58 (1.5%) | 4,409 (3.0%) | 1,239 (3.9%) |
| Thoracic | 5,863 (3.2%) | 409 (10.8%) | 4,375 (2.9%) | 1,079 (3.4%) |
| Vascular | 43,079 (23.3%) | 883 (23.2%) | 34,923 (23.4%) | 7,273 (23.0%) |
| Length of Stay, median (IQR) | 5 (3–9) | 10 (6–16) | 4 (2–8) | 6 (3–11) |
IQR: Inter-Quartile Range, Other Surgeries include breast, endocrine, gynecological, obstetric and otorhinolaryngological surgery.
Results are presented as counts and percentages.