Exhibit 35. Results of logistic regression using the derivation dataset for only herniorrhaphy
Variable | Estimate | tValue | Probability |
---|---|---|---|
Intercept | -7.19702 | -2.90005 | 0.00378 |
No. of procedures | -1.22262 | -1.19116 | 0.23359 |
Postop admission | 2.105654 | 3.434398 | 0.00059 |
Postop hematocrit | -0.15235 | -2.04515 | 0.04164 |
Postop hemoglobin | 0.558391 | 2.282273 | 0.02329 |
Longer preoperative stay | 0.119229 | 1.583554 | 0.11330 |
History of rheumatism | 1.80024 | 1.428812 | 0.15310 |
Wound class | 0.812588 | 1.409284 | 0.15876 |
Postop = postoperative; Preop = preoperative.
Exhibit 36. Results of logistic regression using the validation dataset for only herniorrhaphy
Variable | Estimate | tValue | Probability |
---|---|---|---|
Intercept | -6.63084 | -3.1182 | 0.00195 |
No. of procedures | 0.389846 | 1.706724 | 0.08789 |
Postop admission | 3.430942 | 5.136659 | 0.00000 |
Postop hematocrit | 0.132635 | 1.271441 | 0.20613 |
Postop hemoglobin | -0.42173 | -1.32403 | 0.18974 |
Longer preoperative stay | 0.006993 | 0.13405 | 0.89336 |
History of rheumatism | 0.632211 | 0.536855 | 0.59137 |
Wound class | 0.407113 | 0.76837 | 0.44228 |
Postop = postoperative; Preop = preoperative.
Exhibit 37. Results of logistic regression using the combined dataset for only herniorrhaphy
Variable | Estimate | tValue | Probability |
---|---|---|---|
Intercept | -6.53827 | -4.0998 | 0.00007 |
No. of procedures | 0.174594 | 0.920322 | 0.35743 |
Postop admission | 2.787336 | 6.551838 | 0.00000 |
Postop hematocrit | -0.03547 | -0.44784 | 0.66071 |
Postop hemoglobin | 0.082922 | 0.331393 | 0.74535 |
Longer preoperative stay | 0.036602 | 1.854843 | 0.06362 |
History of rheumatism | 1.226935 | 1.51136 | 0.13070 |
Wound class | 0.490776 | 1.44229 | 0.14923 |
Postop = postoperative; Preop = preoperative.