From: A decision rule to aid selection of patients with abdominal sepsis requiring a relaparotomy
Variable | Full model | Backward eliminationa | ||
---|---|---|---|---|
 | OR | 95% CI | OR | 95% CI |
Heart rate > 90 bpm | 1.61 | 0.57-4.53 | 1.97 | 0.75-5.17 |
Central venous pressureb | 1.01 | 0.92-1.10 | Dropped | Â |
Lactateb,c | 1.22 | 0.59-2.52 | Dropped | Â |
Platelet count < 150 x 109/L | 1.51 | 0.58-3.91 | Dropped |  |
Hemoglobin < 5.0 mmol/L (8.1 g/dl) | 3.23 | 1.07-9.76 | 2.99 | 1.10-8.10 |
Temperature <35.5 or >39.0°C | 2.51 | 0.86-7.34 | 2.50 | 0.95-6.56 |
Administration of inotropic agents | 4.99 | 1.80-13.84 | 4.09 | 1.66-10.07 |
No defecation | 5.86 | 1.93-17.75 | 4.35 | 1.55-12.16 |
Diffuse contamination at initial operation | 1.90 | 0.74-4.84 | 2.15 | 0.91-5.09 |
Etiology of peritonitis | Â | Â | Â | Â |
 - inflammation | 5.20 | 0.51-53.47 | Dropped |  |
 - perforation | 1.00 | reference |  | |
 - ischemia/necrosis | 0.32 | 0.03-3.45 |  | |
 - anastomotic leakage | 1.64 | 0.62-4.34 |  | |
Elimination of infectious focus at initial operation | 2.98 | 0.49-18.17 | Dropped | Â |