Table 2.
Clinical Outcome Measures by Treatment Group
| Usual Practice (n = 191) Mean (SD) | CPG-Directed Practice (n = 122) Mean (SD) | Adjusted Risk Ratioa Mean (95% CI) | p-valuea | |
|---|---|---|---|---|
| Any adverse event | 0.30 (0.46) | 0.23 (0.42) | 0.82 (0.58–1.17) | 0.27 |
| ED visit | 0.14 (0.35) | 0.12 (0.33) | 0.85 (0.48–1.48) | 0.56 |
| Readmission | 0.16 (0.37) | 0.12 (0.36) | 0.76 (0.37–1.5) | 0.45 |
| Additional operative or interventional radiology procedure | 0.09 (0.29) | 0.04 (0.20) | 0.44 (0.21–0.92) | 0.03 |
| Surgical site infection | 0.26 (0.44) | 0.11 (0.32) | 0.50 (0.31–0.81) | <0.01 |
| Organ-space (intra-abdominal abscess) | 0.24 (0.43) | 0.10 (0.30) | 0.44 (0.26–0.75) | <0.01 |
| Incisional (superficial or deep) | 0.02 (0.13) | 0.02 (0.13) | 1.02 (0.27–3.89) | 0.98 |
| Others | 0.02 (0.14) | 0.05 (0.22) | 2.25 (0.78–6.49) | 0.13 |
SD = Standard Deviation, CPG = Clinical Practice Guideline, ED = Emergency Department
a
Risk Ratio of CPG-based practice vs. usual practice adjusted for age, gender, race, insurance status, identification of intra-abdominal abscess on pre-operative CT/US, and within-surgeon correlation.