Table 1.
Baseline characteristics of the patients
| All patients (n = 97) | Survivors (n = 57) | Non-survivors (n = 40) | p value | |
|---|---|---|---|---|
| Age (year) | 62.4 ± 16.4 | 63.6 ± 16.8 | 60.7 ± 15.9 | 0.395 |
| Male sex (n, %) | 56 (57.7%) | 34 (59.6%) | 22 (55.0%) | 0.648 |
| Body weight (kg) | 61.7 ± 13.6 | 62.9 ± 15.3 | 60.0 ± 10.7 | 0.318 |
| Height (cm) | 163.4 ± 8.9 | 164.8 ± 10.0 | 161.4 ± 6.6 | 0.065 |
| APACHE II score | 19.0 ± 7.6 | 18.4 ± 8.4 | 20.0 ± 6.3 | 0.319 |
| SOFA score | 8.0 ± 3.9 | 7.4 ± 3.3 | 8.8 ± 4.6 | 0.095 |
| Reasons for ICU admission (n)* | 128 | 75 | 53 | |
| Respiratory failure (n, %) | 61 (62.9%) | 37 (49.3%) | 24 (45.3%) | 0.651 |
| Renal failure (n, %) | 27 (27.8%) | 12 (16.0%) | 15 (28.3%) | 0.161 |
| Cardiovascular cause (n, %) | 17 (17.5%) | 12 (16.0%) | 5 (9.4%) | 0.281 |
| Sepsis (n, %) | 14 (14.4%) | 7 (9.3%) | 7 (13.2%) | 0.489 |
| Neurologic cause (n, %) | 2 (2.1%) | 1 (1.3%) | 1 (1.9%) | 0.804 |
| Others (n, %) | 7 (7.2%) | 6 (8.0%) | 1 (1.9%) | 0.134 |
| BIA values | ||||
| Body mass index (kg/m2) | 23.1 ±4.0 | 23.0 ± 4.3 | 23.1 ±3.5 | 0.872 |
| Muscle mass (kg) | 44.8 ± 10.3 | 46.0 ± 10.8 | 43.2 ± 9.3 | 0.200 |
| Fat-free mass (kg) | 47.6 ± 10.9 | 48.7 ± 11.4 | 46.1 ±9.9 | 0.247 |
| Body fat (%) | 22.8 ± 11.5 | 22.0 ± 11.1 | 28.4 ± 12.0 | 0.439 |
| PhA score | 3.6 ± 1.2 | 3.8 ± 1.2 | 3.3 ± 1.3 | 0.077 |
| Proportion of PhA > 3.5 (%) | 46 (47.4%) | 32 (56.1%) | 14 (35.0%) | 0.040 |
| KMBI score | 63.7 ± 40.7 | 62.5 ±41.8 | 65.5 ±39.5 | 0.727 |
| Proportion of KMBI > 60 (%) | 57 (58.8%) | 34 (59.6%) | 23 (57.5%) | 0.832 |
* Continuous variables values are presented as mean ± standard deviation; * APACHE II: The Acute Physiology and Chronic Health Evaluation II, SOFA: sequential organ failure assessment, BIA: bioelectrical impedance analysis, PhA: phase angle, KMBI: Korean Modified Barthel Index; * Data on reasons for ICU admission were the results of multiple answers