Table 1.
Patient Characteristics
| All HCM, n (%) | Obstructive HCM, n (%) | Nonobstructive HCM, n (%) | |
|---|---|---|---|
| Total (N) | 53 117 | 24 010 (45.2) | 29 107 (54.8) |
| Sex, female | 30 634 (57.7) | 14 807 (61.7) | 15 827 (54.4) |
| Age, y | |||
| 18–34 | 2178 (4.1) | 892 (3.7) | 1286 (4.4) |
| 35–54 | 10 618 (20.0) | 4441 (18.5) | 6177 (21.2) |
| 55–64 | 10 136 (19.1) | 4743 (19.8) | 5395 (18.5) |
| 65–74 | 12 284 (23.1) | 5822 (24.2) | 6462 (22.2) |
| 75+ | 17 901 (33.7) | 8112 (33.8) | 9789 (33.6) |
| Race or Ethnicity | |||
| White | 38 825 (73.1) | 18 494 (77.0) | 20 331 (69.8) |
| Black | 10 869 (20.5) | 4106 (17.1) | 6763 (23.2) |
| Hispanic | 3423 (6.4) | 1410 (5.9) | 2013 (6.9) |
| Insurance | |||
| Medicare | 33 527 (63.1) | 15 289 (63.7) | 18 238 (62.7) |
| Medicaid | 5916 (11.1) | 2386 (9.9) | 3530 (12.1) |
| Private insurance | 12 274 (23.1) | 5753 (24.0) | 6521 (22.4) |
| Uninsured | 1400 (2.6) | 582 (2.4) | 818 (2.8) |
| Median zip income | |||
| Q1: $0–$47 999 | 14 699 (27.7) | 6494 (27.0) | 8205 (28.2) |
| Q2: $48 000–$60 999 | 13 097 (24.7) | 5986 (24.9) | 7111 (24.4) |
| Q3: $61 000–$81 999 | 12 821 (24.1) | 5804 (24.2) | 7017 (24.1) |
| Q4: $82 000+ | 12 500 (23.5) | 5726 (23.8) | 6774 (23.3) |
| Rurality | |||
| Urban | 29 555 (55.6) | 13 408 (55.8) | 16 147 (55.5) |
| Town | 15 777 (29.7) | 7003 (29.2) | 8774 (30.1) |
| Rural | 7785 (14.7) | 3599 (15.0) | 4186 (14.4) |
| Comorbidities | |||
| Hypertension, complicated | 18 319 (34.5) | 7605 (31.7) | 10 714 (36.8) |
| Cardiac arrhythmia | 30 993 (58.3) | 14 411 (60.0) | 16 582 (57.0) |
| Congestive heart failure | 23 627 (44.5) | 10 285 (42.8) | 13 342 (45.8) |
| Presence of implantable cardioverter‐defibrillator | 6774 (12.8) | 3160 (13.2) | 3614 (12.4) |
| Obesity | 10 225 (19.3) | 4789 (19.9) | 5436 (18.7) |
| Diabetes, complicated | 6348 (12.0) | 2587 (10.8) | 3761 (12.9) |
| Teaching status | |||
| Urban teaching | 38 135 (71.8) | 17 935 (74.7) | 20 200 (69.4) |
| Urban nonteaching | 11 629 (21.9) | 4739 (19.7) | 6890 (23.7) |
| Rural | 3353 (6.3) | 1336 (5.6) | 2017 (6.9) |
| Hospital region | |||
| Northeast | 12 834 (24.2) | 5648 (23.5) | 7186 (24.7) |
| Midwest | 12 646 (23.8) | 5963 (24.8) | 6683 (23.0) |
| South | 18 714 (35.2) | 8219 (34.2) | 10 495 (36.1) |
| West | 8923 (16.8) | 4180 (17.4) | 4743 (16.3) |
| Profit status | |||
| For‐profit | 3152 (10.8) | 1833 (7.6) | 4985 (9.4) |
| Not‐for‐profit | 23 123 (79.4) | 19 775 (82.4) | 42 898 (80.8) |
| Public | 2832 (9.7) | 2402 (10.0) | 5234 (9.9) |
HCM indicates hypertrophic cardiomyopathy.