BioMed Research International / 2015 / Article / Tab 5

Research Article

Endoscopic Management of Foreign Bodies in the Upper Gastrointestinal Tract of Adults

Table 5

The detection rate of foreign bodies by plain radiographies and computed tomography (CT).

Positive plain radiographies Negative plain radiographiesPositive CT findingsNegative CT findingsNeither plain X-ray nor CT was doneTotal

Scope (+) for foreign bodies448734431168

Scope (−) for foreign bodies1335612858

Overall57122401639226

The plain radiographies detection rate (sensitivity) for foreign bodies: 33.3% (44/131).
The CT detection rate (sensitivity) for foreign bodies: 89.4% (34/38).
The positive predictive value of plain radiographies: 77.1% (44/57).
The positive predictive value of CT: 85% (34/40).
CT: computed tomography.