Exhibit 59. Results of logistic regression using the derivation dataset for only herniorrhaphy
| Variable | Estimate | tValue | Probability |
|---|---|---|---|
| Intercept | -3.04 | -1.16 | 0.2480 |
| Emergency surgery | 0.76 | 1.01 | 0.3111 |
| Previous DVT | 1.26 | 1.87 | 0.0609 |
| Male | 0.34 | 0.60 | 0.5500 |
| Postop admission | 3.17 | 3.98 | 0.0001 |
| Preop albumin | -0.75 | -1.30 | 0.1965 |
| Preop glucose* | 0.00 | -0.44 | 0.6643 |
*Additional Intermountain risk factor.
Exhibit 60. Results of logistic regression using the validation dataset for only herniorrhaphy
| Variable | Estimate | tValue | Probability |
|---|---|---|---|
| Intercept | -3.94 | -0.92 | 0.3794 |
| Emergency surgery | 1.21 | 1.83 | 0.0676 |
| Previous DVT@ | |||
| Male | -0.87 | -1.37 | 0.1703 |
| Postop admission | 2.91 | 3.67 | 0.0002 |
| Preop albumin | -0.44 | -0.42 | 0.6821 |
| Preop glucose* | 0.00 | 0.29 | 0.7724 |
@No patients in this dataset with had the specific risk factor and no probability could be calculated.
*Additional Intermountain risk factor.
Exhibit 61. Results of logistic regression using the combined dataset for only herniorrhaphy
| Variable | Estimate | tValue | Probability |
|---|---|---|---|
| Intercept | -4.00 | -1.96 | 0.0561 |
| Emergency surgery | 1.10 | 2.37 | 0.0178 |
| Previous DVT | 0.52 | 0.88 | 0.3775 |
| Male | -0.23 | -0.55 | 0.5789 |
| Postop admission | 3.08 | 5.53 | 0.0000 |
| Preop albumin | -0.43 | -0.96 | 0.3446 |
| Preop glucose* | 0.00 | -0.37 | 0.7127 |
*Additional Intermountain risk factor.
