Table 1.
Patient characteristics and outcome for normal- and low-muscle area patient group
|
Normal muscle-area patients n = 88 |
Low muscle-area patients n = 152 |
All patients N = 240 |
Fisher exact test or student
t
-test, -value |
||||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | ||
| Female gender, % |
40 |
|
39 |
|
39 |
|
0.892 |
| Age, y |
52.3 |
19.0 |
63.6 |
15.7 |
59.5 |
17.8 |
<0.001 |
| APACHE II score |
21.7 |
8.6 |
24.4 |
7.7 |
23.4 |
8.1 |
0.013 |
| Weight, kg |
80.2 |
15.6 |
73.6 |
15.1 |
76.0 |
15.6 |
0.001 |
| Height, cm |
174.4 |
9.7 |
173.0 |
9.5 |
173.5 |
9.5 |
0.281 |
| BMI, kg/m2 |
26.3 |
4.3 |
24.4 |
4.1 |
25.1 |
4.2 |
0.001 |
| Muscle mass, kg |
22.0 |
4.2 |
16.6 |
3.6 |
18.6 |
4.6 |
<0.001 |
| Muscle index, cm2/m2 |
54.5 |
8.7 |
39.4 |
8.3 |
45.0 |
4.6 |
<0.001 |
| Muscle area, cm2 |
167.1 |
35.8 |
119.1 |
30.2 |
136.7 |
39.8 |
<0.001 |
| Admission diagnosis, % |
|
|
|
|
|
|
|
| Cardiovascular |
5.7 |
|
14.5 |
|
11.2 |
|
0.009 |
| Metabolic/Renal |
3.4 |
|
1.3 |
|
2.1 |
(χ
2
test) |
|
| Neurologic |
5.7 |
|
3.9 |
|
4.6 |
||
| Postresuscitation |
3.4 |
|
2.0 |
|
2.5 |
||
| Postsurgery |
26.1 |
|
34.2 |
|
31.2 |
||
| Respiratory insufficiency |
9.1 |
|
15.8 |
|
13.3 |
||
| Sepsis |
4.5 |
|
7.2 |
|
6.2 |
||
| Trauma |
35.2 |
|
14.5 |
|
22.1 |
||
| Others |
6.8 |
|
6.6 |
|
6.7 |
||
| Length of ventilation, d (median; IQR) |
15 |
8-28 |
13 |
8-23 |
14 |
8-25 |
0.387 |
| ICU length of stay, d (median; IQR) |
17 |
9-30 |
16 |
10-28 |
16 |
9-28 |
0.768 |
| Hospital length of stay, d (median; IQR) |
42 |
20-64 |
41 |
24-66 |
41 |
22-65 |
0.930 |
| ICU mortality, % |
10.2 |
|
23.7 |
|
18.8 |
|
0.010 |
| 28-d mortality, % |
5.7 |
|
21.7 |
|
15.8 |
|
0.001 |
| Hospital mortality, % |
12.5 |
|
38.2 |
|
28.8 |
|
<0.001 |
| Survivor analysis, n |
77 |
|
93 |
|
170 |
|
|
| To nursing home, % | 11.7 | 24.7 | 18.8 | 0.032 | |||
APACHE, Acute Physiologic and Chronic Health Evaluation; BMI, Body mass index; IQR, interquartile range.