Table 1.
PREDICT RM patient population characteristics
| Patient characteristic | Category | Control | RPM | Total | |||
|---|---|---|---|---|---|---|---|
| n = 9906 | n = 5348 | n = 15 254 | |||||
| RPM enrolled | 2664 | 26.9% | 5348 | 100.0% | 8012 | 52.5% | |
| Age | 65‐74 | 4524 | 45.7% | 2580 | 48.2% | 7104 | 46.6% |
| ≥75 | 5382 | 54.3% | 2768 | 51.8% | 8150 | 53.4% | |
| NYHA class | I/II | 3348 | 33.8% | 1651 | 30.9% | 4999 | 32.8% |
| III/IV | 6552 | 66.1% | 3690 | 69.0% | 10 242 | 67.1% | |
| Sex | Male | 7104 | 71.7% | 3846 | 71.9% | 10 950 | 71.8% |
| Female | 2802 | 28.3% | 1502 | 28.1% | 4304 | 28.2% | |
| Race | White, non‐Hispanic | 8270 | 83.5% | 4789 | 89.5% | 13 059 | 85.6% |
| Black, non‐Hispanic | 786 | 7.9% | 323 | 6.0% | 1109 | 7.3% | |
| Hispanic | 486 | 4.9% | 111 | 2.1% | 597 | 3.9% | |
| Other | 352 | 3.6% | 120 | 2.2% | 472 | 3.1% | |
| Admission reason | Admitted for this procedure | 5839 | 58.9% | 3518 | 65.8% | 9357 | 61.3% |
| Hospitalized, cardiac | 1571 | 15.9% | 656 | 12.3% | 2227 | 14.6% | |
| Hospitalized, noncardiac | 2118 | 21.4% | 1054 | 19.7% | 3172 | 20.8% | |
| Hospitalized, unknown | 361 | 3.6% | 117 | 2.2% | 478 | 3.1% | |
| CHF duration | No | 1426 | 14.4% | 762 | 14.2% | 2188 | 14.3% |
| <9 mo | 2543 | 25.7% | 1386 | 25.9% | 3929 | 25.8% | |
| >9 mo | 5932 | 59.9% | 3190 | 59.6% | 9122 | 59.8% | |
| CHF hospitalization | Not hospitalized | 5141 | 51.9% | 3022 | 56.5% | 8163 | 53.5% |
| <6 mo ago | 2856 | 28.8% | 1334 | 24.9% | 4190 | 27.5% | |
| >6 mo ago | 1898 | 19.2% | 977 | 18.3% | 2875 | 18.8% | |
| Atrial fibrillation/ atrial flutter | 4025 | 40.6% | 2066 | 38.6% | 6091 | 39.9% | |
| Nonischemic dilated cardiomyopathy | No | 7070 | 71.4% | 3668 | 68.6% | 10 738 | 70.4% |
| <9 mo ago | 977 | 9.9% | 555 | 10.4% | 1532 | 10.0% | |
| >9 mo ago | 1854 | 18.7% | 1122 | 21.0% | 2976 | 19.5% | |
| Previous CABG/PCI | 4350 | 43.9% | 2292 | 42.9% | 6642 | 43.5% | |
| Pacemaker insertion | 1535 | 15.5% | 786 | 14.7% | 2321 | 15.2% | |
| Cerebrovascular disease | 1683 | 17.0% | 854 | 16.0% | 2537 | 16.6% | |
| Chronic lung disease | 2589 | 26.1% | 1325 | 24.8% | 3914 | 25.7% | |
| Diabetes | 4015 | 40.5% | 1958 | 36.6% | 5973 | 39.2% | |
| Hypertension | 8054 | 81.3% | 4312 | 80.6% | 12 366 | 81.1% | |
| Renal failure (dialysis) | 425 | 4.3% | 131 | 2.4% | 556 | 3.6% | |
| QRS duration (msec) | ≤120 | 3483 | 35.2% | 1705 | 31.9% | 5188 | 34.0% |
| >120 | 6423 | 64.8% | 3643 | 68.1% | 10 066 | 66.0% | |
| Intraventricular conduction | Normal | 2789 | 28.2% | 1380 | 25.8% | 4169 | 27.3% |
| Abnormal (LBBB) | 3625 | 36.6% | 2179 | 40.7% | 5804 | 38.0% | |
| Abnormal (RBBB) | 880 | 8.9% | 434 | 8.1% | 1314 | 8.6% | |
| Paced | 1047 | 10.6% | 539 | 10.1% | 1586 | 10.4% | |
| Other | 1551 | 15.7% | 810 | 15.1% | 2361 | 15.5% | |
| Creatinine level (mg/dL) | ≤1.5 | 7449 | 75.2% | 4117 | 77.0% | 11 566 | 75.8% |
| 1.5–2.5 | 1887 | 19.0% | 1013 | 18.9% | 2 900 | 19.0% | |
| >2.5 | 555 | 5.6% | 208 | 3.9% | 763 | 5.0% | |
| BUN level (mg/dL) | ≤20 | 3889 | 39.3% | 2226 | 41.6% | 6 115 | 40.1% |
| 20–40 | 4618 | 46.6% | 2465 | 46.1% | 7083 | 46.4% | |
| >40 | 1379 | 13.9% | 645 | 12.1% | 2024 | 13.3% | |
| Sodium level (mEq/L) | ≤135 | 1687 | 17.0% | 826 | 15.4% | 2513 | 16.5% |
| 135–145 | 8070 | 81.5% | 4459 | 83.4% | 12 529 | 82.1% | |
| >145 | 123 | 1.2% | 51 | 1.0% | 174 | 1.1% | |
| Systolic BP (mm Hg) | ≤100 | 635 | 6.4% | 326 | 6.1% | 961 | 6.3% |
| 100–130 | 4393 | 44.3% | 2217 | 41.5% | 6610 | 43.3% | |
| >130 | 4826 | 48.7% | 2786 | 52.1% | 7612 | 49.9% | |
| ICD type | Single chamber | 1102 | 11.1% | 420 | 7.9% | 1522 | 10.0% |
| Dual chamber | 2737 | 27.6% | 1334 | 24.9% | 4071 | 26.7% | |
| Biventricular | 6054 | 61.1% | 3590 | 67.1% | 9644 | 63.2% | |
| Teaching status | COTH | 277 | 2.8% | 208 | 3.9% | 485 | 3.2% |
| Teaching | 2782 | 28.1% | 1412 | 26.4% | 4194 | 27.5% | |
| Other | 2466 | 24.9% | 1298 | 24.3% | 3764 | 24.7% | |
| Pop. density (per sq. mile) | ≤3000 | 8747 | 88.3% | 4972 | 93.0% | 13 719 | 89.9% |
| >3000 | 1122 | 11.3% | 356 | 6.7% | 1478 | 9.7% | |
Abbreviations: BP, blood pressure; BUN, blood urea nitrogen; CABG, coronary artery bypass grafting; CHF, coronary heart failure; COTH, Council of Teaching Hospitals and Health Systems; ICD, implantable cardioverter‐defibrillator; LBBB, left bundle branch block; NYHA, New York Heart Association; PCI, percutaneous coronary intervention; RBBB, right bundle branch block; RPM, remote patient monitoring.