Table 2.
Demographics and Preoperative Variables of Heart and Kidney Transplant Recipients Stratified by Age
| Variable | Overall (N=100) | Age ≥60 y (n=53) | Age <60 y (n=47) | P Value |
|---|---|---|---|---|
| Age at treatment, y | 57.3±10.8 | 65.1±3.4 | 48.4±9.3 | NA |
| Men | 83 (83.0) | 45 (84.9) | 38 (80.9) | 0.61 |
| Height, cm | 173.7±8.5 | 173.3±8.6 | 174.2±8.4 | 0.59 |
| Weight, kg | 77.2±17.9 | 75.7±15.6 | 79.0±20.2 | 0.36 |
| BMI, kg/m2 | 25.48±5.20 | 25.07±4.21 | 24.69±5.41 | 0.41 |
| UNOS status 2 | 25 (25.0) | 12 (22.6) | 13 (27.7) | 0.65 |
| NYHA class | ||||
| II | 4 (4.0) | 2 (3.8) | 2 (4.3) | 0.88 |
| III | 32 (32.0) | 16 (30.2) | 16 (34.0) | |
| IV | 64 (64.0) | 35 (66.0) | 29 (61.7) | |
| Cardiomyopathy | ||||
| Ischemic | 61 (61.0) | 37 (69.8) | 24 (51.1) | 0.16 |
| Idiopathic | 30 (30.0) | 12 (22.6) | 18 (38.3) | |
| Other | 9 (9.0) | 4 (7.6) | 5 (10.6) | |
| LVEF, % | 29.7±17.0 (n=98) | 28.4±16.6 | 31.2±17.5 (n=45) | 0.41 |
| LVEDD, mm | 59.4±13.4 (n=93) | 60.7±12.6 (n=49) | 58.0±14.3 (n=44) | 0.33 |
| CO, L/min | 4.77±1.52 (n=94) | 4.76±1.30 (n=49) | 4.79±1.75 (n=45) | 0.94 |
| CI, L/min per m2 | 2.50±0.70 (n=93) | 2.53±0.65 (n=49) | 2.47±0.76 (n=44) | 0.72 |
| MCS | 24 (24.0) | 16 (30.2) | 8 (17.0) | 0.16 |
| Inotropic support | 41 (41.0) | 21 (39.6) | 20 (42.6) | 0.84 |
| IABP | 12 (12.0) | 8 (15.1) | 4 (8.5) | 0.24 |
| Prior sternotomy | 66 (66.0) | 32 (60.4) | 34 (72.3) | 0.29 |
| Creatinine, mg/dL | 3.95±2.82 (n=99) | 3.03±1.46 | 5.00±3.57 (n=46) | 0.0009 |
| Dialysis | 49 (49.0) | 19 (35.8) | 30 (63.8) | 0.009 |
| CAD | 65 (65.0) | 37 (69.8) | 28 (59.6) | 0.3 |
| PVD | 11/83 (13.3) | 7/42 (16.7) | 6/41 (9.8) | 0.52 |
| Hypertension | 72 (72.0) | 39 (73.6) | 33 (70.2) | 0.82 |
| Hyperlipidemia | 52/99 (52.5) | 32 (60.4) | 20/46 (43.5) | 0.109 |
| Diabetes mellitus | 35 (35.0) | 24 (45.3) | 11 (23.4) | 0.035 |
| Smoking | 38/99 (38.4) | 25 (47.2) | 13 (28.3) | 0.064 |
| Obesity | 21 (21.0) | 8 (15.1) | 13 (27.7) | 0.145 |
| Alcohol | 15 (15.0) | 11 (20.8) | 4 (8.5) | 0.101 |
Continuous numerical variables are represented as mean±SD, and integer or categorical values as number (percentage). BMI indicates body mass index; CAD, coronary artery disease; CI, cardiac index; CO, cardiac output; IABP, intra‐aortic balloon pump; LVEDD, left ventricular end‐diastolic diameter; LVEF, left ventricular ejection fraction; MCS, mechanical circulatory support; NA, not available; NYHA, New York Heart Association; PVD, peripheral vascular disease; UNOS, United Network for Organ Sharing.