TABLE I.
Prevalence of baseline clinical characteristics at the time of enrollment.
| CHARACTERISTIC | N WITH CHARACTERISTIC | N TOTAL | % WITH CHARACTERISTIC |
|---|---|---|---|
| COMORBIDITIES | |||
|
| |||
| Pulmonary Hypertension* | 73 | 222 | 32.8 |
| ACS | 354 | 475 | 74.5 |
| CHF | 28 | 470 | 6.0 |
| AVN | 150 | 461 | 32.5 |
| Leg Ulcer | 112 | 464 | 24.1 |
| Stroke | 73 | 465 | 15.7 |
| Seizure | 57 | 474 | 12.0 |
| TIA | 18 | 455 | 4.0 |
| Retinopathy | 103 | 443 | 23.3 |
| Proteinuria | 124 | 460 | 27.0 |
| Gallstones | 293 | 471 | 62.2 |
| Chronic Transfusion | 30 | 469 | 6.4 |
| Priapism | 80 | 215 | 37.2 |
|
| |||
| SURGICAL HISTORY | |||
|
| |||
| Splenectomy | 48 | 378 | 12.7 |
| Cholecystectomy | 257 | 383 | 67.1 |
|
| |||
| MEDICATIONS | |||
|
| |||
| Iron Chelator | 24 | 463 | 5.2 |
| Hydroxyurea | 184 | 441 | 41.7 |
| Daily Long Acting Narcotics | 120 | 374 | 32.1 |
| Antihypertensives | 73 | 447 | 16.3 |
| Antidepressants | 43 | 447 | 9.6 |
| Bronchodilators | 27 | 448 | 6.0 |
*
Defined as tricuspid regurgitant velocity ≥2.5 m/s by echocardiography