Table II.
Logistic regression model estimates
| Model | Estimates | ||||
|---|---|---|---|---|---|
|
|
|||||
| Beta | OR | LCL | UCL | P value | |
|
| |||||
| Surgical site infections | |||||
| (Intercept) | −5.1187 | ||||
| Phecode 080: “Postoperative infection” | 2.7245 | 15.25 | 11.82 | 19.67 | < .001 |
| Phecode 1011: “Complications of surgical and medical procedures” | 0.886 | 2.43 | 1.85 | 3.18 | < .001 |
| At least 1 antibiotic prescribed between 2–30 d after surgery | 2.0891 | 8.08 | 6.51 | 10.02 | < .001 |
| Laboratory procedure: Blood culture | 2.041 | 7.7 | 6.38 | 9.29 | < .001 |
| Urinary tract infections | |||||
| (Intercept) | −6.1696 | ||||
| Phecode 590: “Pyelonephritis” | 2.3597 | 10.59 | 4.44 | 25.23 | < .001 |
| Phecode 591: “Urinary tract infection” | 1.9223 | 6.84 | 5.16 | 9.05 | < .001 |
| Phecode 592.X: “Cystitis,” “Urethritis,” “Urethral stricture due to infection” | 1.7764 | 5.91 | 3.6 | 9.7 | < .001 |
| Phecode 599.X: Various symptoms involving the urinary system | 1.1322 | 3.1 | 2.36 | 4.09 | < .001 |
| At least 1 antibiotic prescribed between 2—30 d after surgery | 1.2781 | 3.59 | 2.58 | 5 | < .001 |
| Laboratory procedure: Urine culture | 1.6599 | 5.26 | 3.78 | 7.32 | < .001 |
| Laboratory procedure: Clostridioides difficile PCR | 0.4246 | 1.53 | 0.92 | 2.55 | 0.1 |
| Sepsis | |||||
| (Intercept) | −7.2263 | < .001 | |||
| Phecode 540.X: “Acute appendicitis,” “Appendicitis,” “Appendiceal conditions” | 2.0447 | 7.73 | 5.53 | 10.79 | < .001 |
| Phecode 994.X: “Sepsis,” “SIRS” | 2.4980 | 12.16 | 9.23 | 16.02 | < .001 |
| At least 1 antibiotic prescribed between 2—30 d after surgery | 1.6909 | 5.42 | 4.14 | 7.11 | < .001 |
| Laboratory procedure: CBC auto diff | 1.3637 | 3.91 | 2.07 | 7.38 | < .001 |
| Laboratory procedure: Blood culture | 1.9005 | 6.69 | 5.36 | 8.34 | < .001 |
| Laboratory procedure: Magnesium serum | 1.2173 | 3.38 | 2.65 | 4.30 | < .001 |
| Laboratory procedure: Peripheral blood smear | 1.4547 | 4.28 | 3.00 | 6.12 | < .001 |
| Pneumonia | |||||
| (Intercept) | −7.3366 | ||||
| Phecode 480.X: Bacterial, viral, and fungal pneumonias | 2.5952 | 13.4 | 9.17 | 19.57 | < .001 |
| Phecode 501: “Pneumonitis due to inhalation of food or vomitus” | 1.7072 | 5.51 | 3.03 | 10.03 | < .001 |
| Phecode 1013: “Asphyxia and hypoxemia” | 0.9214 | 2.51 | 1.67 | 3.78 | < .001 |
| At least 1 antibiotic prescribed between 2—30 d after surgery | 1.812 | 6.12 | 3.59 | 10.44 | < .001 |
| Laboratory procedure: Magnesium serum | 0.7905 | 2.2 | 1.37 | 3.56 | .001 |
| Laboratory procedure: Vancomycin trough | 0.9937 | 2.7 | 1.84 | 3.96 | < .001 |
| Laboratory procedure: Respiratory culture | 1.4024 | 4.06 | 2.52 | 6.55 | < .001 |
| Laboratory procedure: Blood gasses | 1.511 | 4.53 | 3.02 | 6.79 | < .001 |
CBC, complete blood count; LCL, lower confidence limit; OR, odds ratio; PCR, polymerase chain reaction; SIRS, systemic inflammatory response syndrome; UCL, upper confidence limit.