Table 1.
Characteristics of the global population and comparison between survivors and non-survivors
| Variable | All patients (n = 1129) | Survivors (n = 915) | Non-survivors (n = 214) | p* |
|---|---|---|---|---|
|
Age, median [IQ] † |
85 [82,88] |
85 [82,88] |
87 [84,90] |
<0.001 |
|
Sex, male (%) |
517 (45) |
413 (45) |
104 (48) |
0.401 |
|
SAPS 3, median [IQ] † |
54 [44–62] |
51 [41,58] |
67 [58,78] |
<0.001 |
|
Charlson Commorbidity Index, n [IQ] † |
2 [1–3] |
1 [0,3] |
3 [1,5] |
<0.001 |
|
Body mass index, kg/m
4
, median [IQ] † |
24.8 [22,28.1] |
24.9 [22.2,28,3] |
23.8 [20.6,27.4] |
0.001 |
|
Performance status† |
|
|
|
<0.001 |
| 0 |
400 (35) |
363 (40) |
37 (17) |
|
| 1 |
552 (49) |
449 (49) |
103 (48) |
|
| 2 |
177 (16) |
103 (11) |
74 (35) |
|
|
Admission type, n (%)† |
|
|
|
<0.001 |
| Medical |
772 (68) |
589 (64) |
183 (85) |
|
| Elective surgery |
318 (29) |
298 (32) |
20 (10) |
|
| Emergency Surgery |
39 (3) |
28 (4) |
11 (5) |
|
|
Specific reasons for admission |
|
|
|
|
| Sepsis†, n (%) |
258 (23) |
174 (19) |
84 (39) |
<0.001 |
| Cardiovascular† n (%) |
185 (16) |
163 (17) |
22 (10) |
0.009 |
| Respiratory n (%) |
80 (7) |
62 (6) |
18 (7) |
0.489 |
| Neurologic n (%) |
82 (7) |
70 (7) |
12 (6) |
0.373 |
| Renal† n (%) |
28 (2) |
17 (2) |
11 (5) |
0.011 |
|
Non-full code status† |
80 (7) |
15 (2) |
65 (30) |
<0.001 |
| LOS before ICU stay, days, median [IQ] † | 1 [0,1] | 0 [0,1] | 1 [0,3] | 0.025 |
*p value between survivors and non-survivors. † variable added to the logistic regression.