Table 1.
Baseline and operative characteristics by sarcopenic status
| Baseline Characteristics | Sarcopenic (n = 60) |
Non-Sarcopenic (n = 180) |
p value |
|---|---|---|---|
| Psoas Index (cm2/m2) | 6.7 [5.7–7.9] | 10.6 [9.4–12.2] | <0.0001 |
| Age (years) | 81 [77–85] | 80 [75–85] | 0.165 |
| Body surface area (m2) | 1.96 ± 0.29 | 1.92 ±0.27 | 0.350 |
| Female | 24 (40.0%) | 73 (40.6%) | 0.940 |
| Smoker | 4 (6.7%) | 48 (26.7%) | 0.001 |
| Hypertension | 51 (85.0%) | 162 (90.0%) | 0.289 |
| Diabetes | 26 (43.3%) | 82 (45.6%) | 0.764 |
| Dialysis dependent renal failure | 2 (3.3%) | 1 (0.6%) | 0.094 |
| Prior stroke | 9 (15.0%) | 18 (10.0%) | 0.289 |
| Chronic lung disease, moderate/severe | 10 (16.7%) | 47 (26.3%) | 0.131 |
| Prior myocardial infarction | 20 (33.3%) | 65 (36.1%) | 0.697 |
| Heart failure within 2 weeks | 45 (75.0%) | 154 (85.6%) | 0.060 |
| Ejection fraction (%) | 57 [50–63] | 57 [43–63] | 0.160 |
| Aortic insufficiency (moderate/severe) | 4 (6.7%) | 19 (10.6%) | 0.376 |
| Mitral insufficiency (moderate/severe) | 15 (26.3%) | 40 (23.3%) | 0.639 |
| Predicted risk of mortality (%) | 5.7% [3.9–8.4%] | 6.0% [4.2–7.9%] | 0.285 |
| Operative Characteristics | |||
|
| |||
| Prior cardiac surgery | 15 (46.9%) | 45 (45.9%) | 0.925 |
| Urgent or Emergent status | 14 (23.3%) | 48 (26.7%) | 0.610 |
| Coronary artery bypass grafting | 17 (28.3%) | 67 (37.2%) | 0.211 |
| Cross clamp time (min) | 69 [61.5–85] | 73 [60–90] | 0.375 |
| Cardiopulmonary bypass time (min) | 105.5 [89.5–123] | 103.5 [87–124] | 0.363 |