Table 2 (abstract P308). Accuracy and observer variability in bowel obstruction, ileus and healthy volunteers
From: 38th International Symposium on Intensive Care and Emergency Medicine
Author | Design | Patients | Outcome | Results (%) | Limitations |
|---|---|---|---|---|---|
Gu, Dig Surg, 2010 | Prospective | A: healthy volunteers | Correct classification of bowel sounds | A: 78/54 | Electronic recordings |
| Â | Â | B: intestinal obstruction | Sensitivity/PPV | B: 42/72 | Patient characteristics unknown |
| Â | Â | C: postoperative ileus | Â | C: 84/93 | Small selection of bowel recordings |
Felder, J Surg Education, 2014 | Prospective | A: healthy volunteers | Correct classification of bowel sounds | A: 32/23/59 | Electronic recordings |
| Â | Â | B: intestinal obstruction | & reliability | B: 22/28/52 | Â |
| Â | Â | C: postoperative ileus | Sensitivity/PPV /intra-observer reliability | C: 22/44/53 | Â |
Breum, World J Gastroenterol., 2015 | Prospective | Patient clinically suspected of bowel obstruction | Sensitivity, specificity, PPV and NPV | Sens.: 42; Spec.: 78 | Shorter duration of electronic recordings:: |
| Â | Â | A: intestinal obstruction (n=37) | pathological bowel sounds | PPV: 48; NPV: 76 | 25 seconds |
| Â | Â | B: without obstruction (n=61) | intestinal obstruction & inter-observer agreement | kappa-value: 0.29 (low) | Â |