Characteristics of patients undergoing carotid revascularization in the Nationwide Inpatient Sample
| No of patients | 890 680 |
| Age (years) (mean (SD)) | 71.0 (21.2) |
| Age group (years) (n (%)) | |
| <65 | 215 332 (24.2) |
| 65–74 | 327 566 (36.8) |
| 75+ | 347 679 (39.0) |
| Charlson Comorbidity Index (mean (SD)) | 1.8 (2.2) |
| Women (n (%)) | 372 981 (41.9) |
| Insurance (n (%)) | |
| Private | 192 822 (22.1) |
| Medicare | 643 588 (73.6) |
| Medicaid | 25 668 (2.9) |
| Self-pay | 12 384 (1.4) |
| Race (n (%)) | |
| White | 633 462 (90.6) |
| Black | 28 329 (4.1) |
| Hispanic | 29 650 (4.2) |
| Asian/Pacific Islander | 7561 (1.1) |
| Procedure type (n (%)) | |
| Stenting | 109 072 (12.2) |
| Endarterectomy | 781 608 (87.8) |
| Elective admission | 698 571 (78.6) |
| Indication (n (%)) | |
| Symptomatic | 70 248 (7.9) |
| Asymptomatic | 820 432 (92.1) |
| Comorbidities (n (%)) | |
| Smoking | 162 642 (18.3) |
| Hyperlipidemia | 479 323 (53.8) |
| Diabetes mellitus | 282 431 (31.7) |
| Obesity | 56 586 (6.4) |
| Hypertension | 704 615 (79.1) |
| Coronary artery disease | 428 610 (48.1) |
| Hospital region (n (%)) | |
| Northeast | 147 020 (16.5) |
| Midwest | 222 680 (25.0) |
| South | 379 939 (42.7) |
| West | 141 041 (15.8) |
| Hospital location (n (%)) | |
| Rural | 73 894 (8.3) |
| Urban non-teaching | 417 790 (46.9) |
| Urban teaching | 398 996 (44.8) |