Hospital factors |
Incidence, per 100,000 live births
(95%CI) |
RR |
P value |
Hospital type |
|
|
|
Type of hospital |
|
|
|
Tertiary hospitals |
14.4(14.3, 14.5) |
Ref |
<0.001 |
Secondary hospitals |
5.7(5.5, 5.9) |
0.4 |
|
Primary hospitals |
0.0(0.0, 0.0) |
0.0 |
|
Characteristics of hospital |
|
|
|
General hospitals |
26.5(26.3, 26.7) |
Ref |
<0.001 |
Specialized hospitals |
5.6(5.6, 5.6) |
0.2 |
|
Cesarean rate |
|
|
|
0-30% |
26.3(25.9, 26.7) |
Ref |
<0.001 |
30%-50% |
9.6(9.6, 9.7) |
0.4 |
|
>50% |
23.4(23.1, 23.6) |
0.9 |
|
System and strategy |
|
|
|
VTE management system |
|
|
|
Yes |
14.5(14.4, 14.6) |
Ref |
<0.001 |
No |
6.0(5.8, 6.1) |
0.4 |
|
VTE risk assessment scale |
|
|
|
Yes |
15.5(15.4, 15.6) |
Ref |
<0.001 |
No |
6.2(6.1, 6.2) |
0.4 |
|
Emergency transfer/consultation |
|
|
|
Yes |
13.7(13.6, 13.8) |
Ref |
<0.001 |
No |
0.0(0.0, 0.0) |
0.0 |
|
Diagnosis and treatment |
|
|
|
D-dimer |
|
|
|
Yes |
13.5(13.5, 13.6) |
Ref |
<0.001 |
No |
0.0(0.0, 0.0) |
0.0 |
|
B ultrasound of lower extremity vein |
|
|
|
Yes |
13.0(12.9, 13.1) |
Ref |
<0.001 |
No |
18.7(18.4, 19.1) |
1.4 |
|
CTPA |
|
|
|
Yes |
13.8(13.7, 13.9) |
Ref |
<0.001 |
No |
11.1(11.0, 11.2) |
0.8 |
|
Anticoagulants |
|
|
|
Yes |
13.1(13.0, 13.2) |
Ref |
<0.001 |
No |
15.2(15.0, 15.4) |
1.2 |
|
Elastic stockings/compression device |
|
|
|
Yes |
14.6(14.5, 14.7) |
Ref |
<0.000 |
No |
6.2(6.0, 6.4) |
0.4 |
|
Patient education |
|
|
|
Health education |
|
|
|
Yes |
17.2(17.0, 17.3) |
Ref |
<0.001 |
No |
2.0(2.0, 2.1) |
0.1 |
|
Early mobilization |
|
|
|
Yes |
13.8(13.7, 13.9) |
Ref |
<0.001 |
No |
0.0(0.0, 0.0) |
0.0 |
|
Mobilization after vaginal delivery |
|
|
|
The same day |
13.2(13.1, 13.3) |
Ref |
<0.001 |
One day after or later |
16.6(16.2, 17.0) |
1.3 |
|
Mobilization after Cesarean section |
|
|
|
The same day or one day after |
14.6(14.2, 15.0) |
Ref |
<0.001 |
Two days or later |
16.6(16.2, 17.0) |
1.1 |
|
Total |
13.4(13.3, 13.4) |
|
|