Table A2. Multivariate Analysis Showing Odds Ratios (ORs) for DVT.
| Risk Factor | OR | Lower CI | Upper CI | P Value |
|---|---|---|---|---|
| Intercept | 0.00 | 0.00 | 0.00 | < 0.0001 |
| Male | 1.13 | 0.65 | 1.98 | .6607 |
| Black | 1.85 | 0.84 | 4.08 | .1282 |
| Other Race | 1.13 | 0.43 | 2.94 | .8065 |
| Hispanic | 1.01 | 0.37 | 2.73 | .9810 |
| Age | 1.02 | 1.00 | 1.04 | .1267 |
| BMI | 0.98 | 0.96 | 1.01 | .1683 |
| Non-Insulin Diabetes | 1.22 | 0.53 | 2.81 | .6483 |
| Diabetes with Insulin | 1.42 | 0.61 | 3.31 | .4183 |
| Smokes | 0.51 | 0.21 | 1.20 | .1217 |
| Alcohol Use | 2.98 | 1.07 | 8.30 | .0370 a |
| Dyspnea on Moderate Exertion | 0.73 | 0.27 | 2.01 | .5458 |
| Dyspnea at Rest | 2.34 | 0.54 | 10.06 | .2532 |
| FNSTATUS1=Partially Dependent | 0.75 | 0.34 | 1.67 | .4813 |
| FNSTATUS1=Totally Dependent | 0.83 | 0.14 | 4.89 | .8359 |
| FNSTATUS2=Partially Dependent | 1.15 | 0.63 | 2.09 | .6543 |
| FNSTATUS2=Totally Dependent | 1.16 | 0.39 | 3.41 | .7928 |
| Ventilator | 43.67 | 1.22 | 1,560.73 | .0385 a |
| COPD | 0.64 | 0.22 | 1.82 | .4013 |
| Pneumonia | 0.31 | 0.01 | 8.93 | .4912 |
| Ascites | 41.61 | 3.32 | 521.16 | .0038 a |
| Esophageal Varices | 0.00 | 0.00 | 1.42558E + 68 | .9234 |
| Congestive Heart Failure | 1.54 | 0.40 | 5.90 | .5315 |
| Myocardial Infarction | 3.12 | 0.59 | 16.52 | .1811 |
| Percutaneous Coronary Intervention | 0.49 | 0.13 | 1.79 | .2804 |
| Previous Cardiac Surgery | 0.86 | 0.28 | 2.59 | .7830 |
| Angina | 0.00 | 0.00 | 6.00798E + 35 | .8625 |
| Hyperlipidemia Medication | 0.78 | 0.44 | 1.40 | .4084 |
| Peripheral Vascular Disease | 0.14 | 0.02 | 1.31 | .0854 |
| Gangrene | 5.14 | 1.33 | 19.82 | .0175 a |
| Renal Failure | 2.18 | 0.41 | 11.63 | .3626 |
| Dialysis | 2.31 | 0.58 | 9.12 | .2326 |
| Impaired Sensorium | 0.47 | 0.06 | 3.81 | .4753 |
| Coma | 0.00 | 0.00 | Inf | .9884 |
| Hemiplegia | 1.13 | 0.20 | 6.54 | .8878 |
| Transient Ischemic Attack | 0.60 | 0.14 | 2.65 | .5024 |
| Cerebrovascular Accident with Deficit | 1.34 | 0.41 | 4.31 | .6286 |
| Cerebrovascular Accident without Deficit | 1.96 | 0.72 | 5.29 | .1871 |
| CNS Tumor | 0.00 | 0.00 | 3.50296E + 62 | .9144 |
| Paraplegia | 0.00 | 0.00 | 1.52209E + 43 | .8718 |
| Quadriplegia | 0.00 | 0.00 | 1.6768E + 155 | .9702 |
| Disseminated Cancer | 1.41 | 0.32 | 6.14 | .6500 |
| Open Wound or Infection | 0.98 | 0.42 | 2.30 | .9700 |
| Steroid Use | 4.00 | 1.85 | 8.65 | .0004 a |
| Weight Loss | 2.59 | 0.58 | 11.64 | .2149 |
| Bleeding Disorder | 0.67 | 0.29 | 1.58 | .3636 |
| Transfusion | 3.72 | 0.39 | 35.39 | .2528 |
| Chemotherapy | 1.22 | 0.18 | 8.13 | .8406 |
| Radiotherapy | 2.10 | 0.30 | 14.71 | .4553 |
| Sepsis | 5.43 | 1.98 | 14.89 | .0010 a |
| Septic Shock | 0.00 | 0.00 | 6.13541E + 38 | .8506 |
| SIRS | 1.76 | 0.84 | 3.68 | .1316 |
| Operation in Past 30 Days | 2.33 | 0.82 | 6.62 | .1108 |
| ASA 2 | 3.49 | 0.44 | 27.76 | .2369 |
| ASA 3 | 4.35 | 0.52 | 36.46 | .1757 |
| ASA 4 | 2.65 | 0.27 | 26.03 | .4025 |
| ASA 5 | 0.00 | 0.00 | 8.29E + 299 | .9808 |
| Operation Time | 1.01 | 1.00 | 1.01 | .0028 |
| Lower Extremity Surgery | 7.55 | 1.78 | 32.04 | .0061 a |
| Pelvis Surgery | 4.51 | 0.39 | 52.50 | .2293 |
a Significant P values are indicated with asterisks.