|
Results of multivariate analysis |
||||
| Factor |
Risk ratio |
95% CI |
p value (chi-square) |
|
| Lower |
Upper |
|||
|
|
||||
| Age ≥40 years old |
2.645 |
0.703 |
9.946 |
n.s. |
| Age ≥50 years old |
3.418 |
0.926 |
12.615 |
n.s. |
| BMI ≥25 kg/m2 |
2.718 |
1.149 |
6.427 |
<0.05 |
| BMI ≥28 kg/m2 |
3.922 |
1.297 |
11.863 |
<0.05 |
| Smoking |
1.029 |
0.364 |
2.913 |
n.s. |
| Hypertension |
0.838 |
0.311 |
2.259 |
n.s. |
| Abnormal glucose tolerance |
2.176 |
0.675 |
7.016 |
n.s. |
| Heart disease |
1.149 |
0.304 |
4.345 |
n.s. |
| Collagen disease |
1.181 |
0.199 |
7.018 |
n.s. |
| Malignant tumor surgery |
2.860 |
1.083 |
7.522 |
<0.05 |
| Blood transfusion |
3.834 |
1.683 |
8.737 |
<0.01 |
| IPC |
0.396 |
0.193 |
0.814 |
<0.05 |
|
BMI: body mass index CI: confidence interval IPC: intermittent pneumatic compression n.s.: not significant | ||||
Suzuki et al. Thrombosis Journal 2005 3:18 doi:10.1186/1477-9560-3-18 |
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