Table I.
Clinical Characteristics of Patients Undergoing Major Non-Cardiac Surgery, Stratified by the Development of POAF
| Characteristics | POAF N = 10957 (3.0%) |
No POAF N = 359490 (97.0%) |
P value |
|---|---|---|---|
| Age (years), mean (SD) | 74.6 (10.6) | 62.4 (16.2) | <0.001 |
| Male gender | 5435 (49.6%) | 153831 (42.8%) | <0.001 |
| Race/ethnicity | <0.001 | ||
| White | 8337 (76.1%) | 252376 (70.2%) | |
| Black | 628 (5.7%) | 39004 (10.9%) | |
| Hispanic | 226 (2.1%) | 12905 (3.6%) | |
| Other | 1766 (16.1%) | 55205 (15.4%) | |
| Admission Source | <0.001 | ||
| Emergency Room | 4940 (45.1%) | 112728 (31.4%) | |
| Inter-facility transfer | 871 (7.9%) | 15096 (4.2%) | |
| Outpatient referral | 4923 (44.9%) | 223831 (62.3%) | |
| Other | 223 (2.0%) | 7835 (2.2%) | |
| Co-morbidities | |||
| Congestive Heart Failure | 3340 (30.5%) | 25319 (7.0%) | <0.001 |
| Valvular disease | 1720 (15.7%) | 16345 (4.6%) | <0.001 |
| Ischemic heart disease | 4051 (37.0%) | 63210 (17.6%) | <0.001 |
| Peripheral vascular disease | 1405 (12.8%) | 23830 (6.6%) | <0.001 |
| Hypertension | 7706 (70.3%) | 204597 (56.9%) | <0.001 |
| Cerebro-vascular disease | 480 (4.4%) | 5547 (1.5%) | <0.001 |
| Chronic pulmonary disease | 3223 (29.4%) | 61986 (17.2%) | <0.001 |
| Diabetes | 3269 (29.8%) | 80236 (22.3%) | <0.001 |
| Dyslipidemia | 3741 (34.1%) | 101698 (28.3%) | <0.001 |
| Hypothyroidism | 1789 (16.3%) | 43473 (12.1%) | <0.001 |
| Renal failure | 2094 (19.1%) | 35846 (10.0%) | <0.001 |
| Coagulopathy | 1333 (12.2%) | 13769 (3.8%) | <0.001 |
| Obesity | 1193 (10.9%) | 44558 (12.4%) | <0.001 |
| Fluid & electrolyte disorders | 5037 (46.0%) | 70594 (19.6%) | <0.001 |
| Anemia | 3995 (36.5%) | 81961 (22.8%) | <0.001 |
| Alcohol abuse | 366 (3.3%) | 10261 (2.9%) | 0.003 |
Abbreviations: POAF, Post-operative atrial fibrillation