Table 2.
Frequency of independence between main diagnosis (MD) and underlying cause of death (UCD) according to age, gender, discharge-death time interval, length of stay, number of hospital stays and category of UCD and relative risks (univariate and multivariate analysis)
| |
In-hospital deaths |
Out-of-hospital deaths |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| n | Independence | RR | RRa | n | Independence | RR | RRa | ||
| |
289 904 |
|
|
|
|
81 688 |
|
|
|
|
Age (years) |
|
|
|
|
|
|
|
|
|
|
1-14 |
1 010 |
5.2% |
0.58* |
0.57* |
|
154 |
11.7% |
0.59* |
0.52* |
|
15-34 |
3 576 |
4.8% |
0.52* |
0.55* |
|
917 |
24.9% |
1.26* |
0.87* |
|
35-64 |
71 556 |
7.1% |
0.78* |
0.87* |
|
14 562 |
21.6% |
1.09* |
1.10* |
|
65-84 |
143 413 |
9.1% |
1 |
1 |
|
36 314 |
19.8% |
1 |
1 |
|
>84 |
70 349 |
9.7% |
1.07* |
0.97* |
|
29 741 |
22.5% |
1.14* |
0.96* |
|
Ptrend
|
|
|
<.0001 |
<.0001 |
|
|
|
0.0961 |
<.0001 |
|
Gender |
|
|
|
|
|
|
|
|
|
|
Male |
158 793 |
8.8% |
1 |
1 |
|
39 582 |
20.8% |
1 |
1 |
|
Female |
131 111 |
8.6% |
0.98 |
0.93* |
|
42 106 |
21.5% |
1.03* |
0.98 |
|
Discharge-death time interval (months) |
|
|
|
|
|
|
|
|
|
|
[0-1] |
|
|
|
|
|
34 678 |
15.1% |
1 |
1 |
|
[1-3] |
|
|
|
|
|
17 548 |
20.6% |
1.36* |
1.31* |
|
[3-6] |
|
|
|
|
|
17 691 |
26.8% |
1.77* |
1.53* |
|
[6-12] |
|
|
|
|
|
11 771 |
31.0% |
2.05* |
1.62* |
|
Ptrend
|
|
|
|
|
|
|
|
<.0001 |
<.0001 |
|
Length of last stay (days) |
|
|
|
|
|
|
|
|
|
|
[0-1] |
22 622 |
3.9% |
0.39* |
0.33* |
|
8 677 |
23.5% |
1.21* |
1.19* |
| [1-3] |
73 259 |
6.8% |
0.67* |
0.60* |
|
15 722 |
23.2% |
1.19* |
1.09* |
| [4-9] |
73 751 |
9.2% |
0.92* |
0.87* |
|
20 983 |
22.0% |
1.13* |
1.06* |
| [10-29] |
89 435 |
10.1% |
1 |
1 |
|
30 028 |
19.4% |
1 |
|
|
>30 |
30 837 |
11.4% |
1.13* |
1.16* |
|
6 278 |
17.9% |
0.92* |
0.98 |
|
Ptrend
|
|
|
<.0001 |
<.0001 |
|
|
|
<.0001 |
<.0001 |
|
Number of hospital stays within the year before death |
|
|
|
|
|
|
|||
|
1 |
96 470 |
8.6% |
0.96* |
0.90* |
|
31 150 |
23.5% |
1.30* |
1.08* |
|
2-3 |
105 464 |
9.0% |
1 |
1 |
|
30 037 |
23.2% |
1 |
1 |
|
4-5 |
46 523 |
8.8% |
0.98 |
1.08* |
|
11 522 |
22.0% |
0.81* |
0.96 |
|
>6 |
41 447 |
8.0% |
0.89* |
1.12* |
|
8 979 |
19.4% |
0.72* |
1.03 |
|
Ptrend
|
|
|
<.0001 |
<.0001 |
|
|
|
<.0001 |
<.0001 |
|
Category of UCD |
|
|
|
|
|
|
|
|
|
|
Neoplasms |
122 824 |
5.4% |
1 |
1 |
|
29 807 |
9.8% |
1 |
1 |
|
Neuro-sensorial disease |
9 456 |
11.3% |
2.11* |
2.33* |
|
5 900 |
25.0% |
2.55* |
2.33* |
|
Circulatory disease |
71 702 |
10.1% |
1.88* |
2.21* |
|
21 872 |
27.9% |
2.84* |
2.71* |
|
Respiratory disease |
19 894 |
9.3% |
1.74* |
1.93* |
|
4 067 |
23.2% |
2.36* |
2.28* |
|
Digestive disease |
19 796 |
11.7% |
2.18* |
2.51* |
|
2 470 |
29.1% |
2.97* |
2.85* |
|
External causes |
13 126 |
9.4% |
1.74* |
2.32* |
|
5 453 |
30.7% |
3.12* |
2.71* |
| Other | 33 106 | 14.9% | 2.78* | 3.15* | 12 119 | 28.2% | 2.88* | 2.68* | |
non-informative UCD excluded.
RRa: adjusted for age. sex. length of stay. number of stays during last year of life. and category of UCD.
*p < 0.05.