Exhibit 44. Results of logistic regression using the derivation dataset for only appendectomy
Variable | Estimate | tValue | Probability |
---|---|---|---|
Intercept | -3.45066 | -1.04967 | 0.31289 |
History of cancer | 0.896303 | 0.974859 | 0.32970 |
Emergency surgery | 0.32970 | -0.96643 | 0.33384 |
Male | 0.488666 | 0.768574 | 0.768574 |
Postop admission | 2.453247 | 3.652926 | 0.00026 |
Postop hematocrit | -0.17629 | -2.12084 | 0.04042 |
Postop hemoglobin | 0.272209 | 0.822076 | 0.42317 |
Preop hemoglobin | -0.0374 | -0.0374 | 0.79751 |
Postop = postoperative; Preop = preoperative.
Exhibit 45. Results of logistic regression using the validation dataset for only appendectomy
Variable | Estimate | tValue | Probability |
---|---|---|---|
Intercept | -4.59592 | -2.06151 | 0.04255 |
History of cancer | 0.855832 | 0.736814 | 0.46124 |
Emergency surgery | 0.655977 | 1.172465 | 0.24101 |
Male | 0.586734 | 1.019488 | 0.30824 |
Postop admission | 2.572595 | 4.931689 | 0.00000 |
Postop hematocrit | -0.15581 | -1.68912 | 0.09748 |
Postop hemoglobin | 0.310595 | 1.163695 | 0.24698 |
Preop hemoglobin | -0.04081 | -0.31694 | 0.75426 |
Postop = postoperative; Preop = preoperative.
Exhibit 46. Results of logistic regression using the combined dataset for only appendectomy
Variable | Estimate | tValue | Probability |
---|---|---|---|
Intercept | -3.90766 | -2.4378 | 0.01642 |
History of cancer | 0.749083 | 1.068061 | 0.28549 |
Emergency surgery | 0.130644 | 0.331969 | 0.73991 |
Male | 0.619657 | 1.471467 | 0.14148 |
Postop admission | 2.515271 | 6.19406 | 0.00000 |
Postop hematocrit | -0.15793 | -2.74004 | 0.00744 |
Postop hemoglobin | 0.304609 | 1.439065 | 0.16263 |
Preop hemoglobin | -0.07631 | -0.6829 | 0.51247 |
Postop = postoperative; Preop = preoperative.