TABLE 1.
Characteristics of the study population according to mortality status.
| Total (SD) (n = 153) | Min-max | Survivors (SD) (n = 126) | Min-max | Deaths (SD) (n = 27) | Min-max | p | |
| Age (years) | 64.19 (9.98) | 29–85 | 63.32 (10.50) | 29–85 | 68.26 (5.55) | 55–87 | 0.019 |
| Sex (M) n (%) | 121 (79.1%) | 100 (79.4%) | 21 (77.8%) | 0.800 | |||
| Height (m) | 1.72 (0.07) | 1.40–1.96 | 1.72 (0.07) | 1.40–1.96 | 1.70 (0.07) | 1.50–1.86 | 0.8 |
| Weight (Kg) | 87.24 (15.64) | 46–157 | 83.54 (14.71) | 52–150 | 88.37 (19.58) | 46–157 | 0.234 |
| BMI (Kg/m2) | 29.30 (4.58) | 20.45–45.38 | 28.25 (4.43) | 21.37–41.90 | 30.58 (5.29) | 20.45–45.38 | 0.039 |
| Psoas area (cm2) | 16.66 (9.37) | 2.47–55.07 | 16.46 (9.40) | 2.47–55.07 | 17.59 (9.34) | 4.56–34.93 | 0.573 |
| Psoas IMAT (cm2) | 4.36 (3.77) | 0.47–22.33 | 3.68 (2.53) | 0.47–13.98 | 7.52 (6.31) | 0.98–22.33 | <0.001 |
| Psoas muscle density (HU) | 37.79 (8.55) | 14.70–67.91 | 38.38 (8.58) | 14.70–67.91 | 35.05 (8.03) | 19.42–49.42 | 0.066 |
| CRP (mg/dL) | 122.02 (79.64) | 4–410 | 115.95 (79.71) | 4–410 | 150.33 (75.01) | 2–281 | 0.042 |
| CPK adjusted per weight (U/L/kg) | 3.34 (6.42) | 0.16–51.19 | 2.67 (4.76) | 0.16–45.39 | 6.41 (10.95) | 0.18–51.19 | 0.006 |
| Hypertension | 88 (57.5%) | 68 (54%) | 20 (74.1%) | 0.085 | |||
| Hearth failure | 4 (2.6%) | 2 (1.6%) | 2 (7.4%) | 0.144 | |||
| Ischemic cardiopathy | 13 (8.5%) | 11 (8.7%) | 2 (7.4%) | 1.000 | |||
| Neurological disorder | 10 (6.5%) | 9 (7.1%) | 1 (3.7%) | 1.000 | |||
| Type 2 diabetes | 29 (19%) | 24 (19%) | 5 (18.5%) | 1.000 | |||
| Thyroid | 17 (11.1%) | 12 (9.5%) | 5 (18.5%) | 0.185 | |||
| Dyslipidemia | 25 (16.3%) | 19 (15.1%) | 6 (22.2%) | 0.392 | |||
| Immunodepression | 11 (7.2%) | 7 (5.6%) | 4 (14.8%) | 0.105 | |||
| Smoke habit | 25 (16.3%) | 22 (17.5%) | 3 (11.1%) | 0.571 | |||
| Chronic renal failure | 14 (9.2%) | 9 (7.1%) | 5 (18.5%) | 0.075 | |||
| Cancer | 15 (9.8%) | 8 (6.3%) | 7 (25.9%) | 0.006 |
SD, standard deviation; BMI, body mass index; IMAT, intermuscular adipose tissue; HU, Hounsfield units; CRP, C reactive protein; CPK, creatine phosphokinase.