Table 1.
Demographic Information of Patients with and without Perioperative Stroke
| No Stroke No. (%) | Stroke No. (%) | P-value | |
|---|---|---|---|
| Male sex | 233,148 (43.2) | 716 (48.6) | <0.001 |
| Age, mean ±SD | 57.7 (±16.6) | 69.7 (±12.9) | <0.001 |
| Race | |||
| White | 419,623 (77.8) | 1,148 (77.9) | 0.95 |
| Black | 57,538 (10.7) | 172 (11.7) | 0.23 |
| Asian | 11,399 (2.1) | 28 (1.9) | 0.55 |
| American Indian | 1,681 (0.3) | 8 (0.5) | 0.29 |
| Native Hawaiian or Pacific Islander | 3,069 (0.6) | 12 (0.8) | 0.23 |
| Unknown/Not Reported | 45,933 (8.5) | 106 (7.2) | 0.05 |
| Ethnicity | |||
| Hispanic | 37,489 (7.0) | 55 (3.7) | 0.02 |
| BMI, mean ±SD | 29.8 (±8.1) | 28.1 (±7.0) | <0.001 |
| ASA Class | |||
| 1 | 35,640 (6.6) | 3 (0.2) | <0.001 |
| 2 | 234,249 (43.4) | 150 (10.2) | <0.001 |
| 3 | 229,598 (42.6) | 841 (57.1) | <0.001 |
| 4 | 38,419 (7.1) | 446 (30.3) | <0.001 |
| 5 | 1,337 (0.2) | 34 (2.3) | <0.001 |
| Surgery Type | |||
| General Surgery | 364,195 (67.5) | 606 (41.1) | <0.001 |
| Gynecology | 16,983 (3.1) | 7 (0.5) | <0.001 |
| Neurosurgery | 12,361 (2.3) | 78 (5.3) | <0.001 |
| Orthopedics | 42,888 (8.0) | 67 (4.5) | <0.001 |
| Otolaryngology | 8,101 (1.5) | 6 (0.4) | <0.001 |
| Plastics | 5,637 (1.0) | 5 (0.3) | <0.001 |
| Thoracic | 5,047 (0.9) | 12 (0.8) | 0.60 |
| Urology | 18,262 (3.4) | 33 (2.2) | 0.003 |
| Vascular | 65,769 (12.2) | 660 (44.8) | <0.001 |
BMI: Body Mass Index
ASA: American Society Anesthesiologists