Table 2 The result of multi-factor logistic regression analysis
B | S.E. | Wald | P | OR | 95.0 % C.I.for OR | ||
|---|---|---|---|---|---|---|---|
Lower | Upper | ||||||
Location of DVA | −0.932 | 0.335 | 7.723 | 0.005 | 0.394 | 0.204 | 0.760 |
Number of medullary veins | 0.237 | 0.078 | 9.165 | 0.002 | 1.267 | 1.087 | 1.477 |
Stenosis rate of medullary veins | 2.119 | 1.076 | 3.876 | 0.049 | 8.321 | 1.009 | 68.591 |
Angle of draining vein | −0.015 | 0.006 | 5.310 | 0.021 | 0.985 | 0.973 | 0.998 |
Direction of draining vein | 1.616 | 0.362 | 19.984 | 0.000 | 5.034 | 2.478 | 10.224 |
Torsion of draining vein | 1.757 | 0.412 | 18.215 | 0.000 | 5.793 | 2.586 | 12.981 |
Constant | −4.858 | 1.125 | 18.643 | 0.000 | 0.008 | ||