Table 1.
Baseline characteristics stratified by sarcopenia as defined by pectoralis muscle index (pectoralis muscle area indexed to height) at lowest sex-specific tertile
| Variable | All (n=169) | Sarcopenia (n=55) | No sarcopenia (n=114) | p-value |
|---|---|---|---|---|
| Pectoralis muscle area index (cm2/m2) | 6.2 (4.9, 7.6) | 4.6 (3.9, 5.1) | 6.9 (6.1–9.2) | |
| Pectoralis muscle density (HU) | 32.8 (26.8, 38.6) | 30.7 (24.8, 34.0) | 35.3 (24.8, 34.0) | |
| Age | 55.0 (46.0, 63.8) | 60.0 (46.0–67.5) | 54.0 (46.0–61.0) | 0.011 |
| Female sex (%) | 49 (29.4) | 17 (30.9) | 33 (28.9) | 0.935 |
| Blood type (%) | 0.558 | |||
| A | 65 (38.2) | 23 (41.8) | 42 (36.8) | |
| AB | 11 (6.5) | 3 (5.5) | 7 (6.1) | |
| B | 30 (17.6) | 12 (21.8) | 18 (15.8) | |
| O | 64 (37.6) | 17 (30.9) | 47 (41.2) | |
| Race/ethnicity | 0.025 | |||
| Black | 42 (24.7) | 8 (14.5) | 34 (29.8) | |
| White | 87 (51.2) | 36 (65.5) | 51 (44.7) | |
| Hispanic | 27 (15.9) | 5 (9.1) | 21 (18.4) | |
| Other | 14 (8.2) | 6 (10.9) | 8 (7.0) | |
| Heart failure etiology (%) | 0.654 | |||
| Ischemic | 30 (17.6) | 10 (18.2) | 20 (17.5) | |
| Non-ischemic | 106 (62.4) | 34 (61.8) | 71 (62.3) | |
| Congenital | 11 (6.5) | 2 (3.6) | 9 (7.9) | |
| Restrictive/infiltrative | 10 (5.9) | 5 (9.1) | 5 (4.4) | |
| Retransplant | 13 (7.6) | 4 (7.3) | 9 (7.9) | |
| BMI at transplant | 25.9 (22.4, 30.5) | 23.8 (21.3, 26.1) | 27.5 (23.6, 31.2) | <0.001 |
| ICD prior to transplant (%) | 105 (61.8) | 35 (63.6) | 69 (60.5) | 0.825 |
| Diabetes (%) | 35 (20.6) | 13 (23.6) | 22 (19.3) | 0.653 |
| Prior stroke (%) | 25 (14.7) | 6 (10.9) | 19 (16.7) | 0.449 |
| Renal dysfunction (EGFR<60) (%) | 69 (40.6) | 26 (47.3) | 43 (37.7) | 0.309 |
| LVAD at transplant (%) | 22 (12.9) | 7 (12.7) | 15 (13.2) | 1.000 |
| ECMO at transplant (%) | 25 (14.7) | 8 (14.5) | 17 (14.9) | 1.000 |
| IABP at transplant (%) | 60 (35.3) | 22 (40.0) | 38 (33.3) | 0.498 |
| Status at transplant (%) | 0.630 | |||
| 1 | 24 (14.1) | 7 (12.7) | 17 (14.9) | |
| 2 | 94 (53.3) | 33 (60.0) | 61 (53.5) | |
| 3 | 33 (19.4) | 9 (16.4) | 23 (20.2) | |
| 4 | 16 (9.4) | 4 (7.3) | 12 (10.5) | |
| 5 | 2 (1.2) | 1 (1.8) | 1 (0.9) | |
| 6 | 1 (0.6) | 1 (1.8) | 0 (0.0) | |
| Serum albumin (g/dl) | 4.0 (3.5, 4.4) | 4.0 (3.5, 4.4) | 4.0 (3.7, 4.4) | 0.579 |