Table 2 The pooled estimates of diagnostic performance of ultrasound for acute cholecystitis
From: Diagnostic performance of ultrasound in acute cholecystitis: a systematic review and meta-analysis
| Â | No. of studies | Sensitivity (95% CI) | Specificity (95% CI) | PLR (95% CI) | NLR (95% CI) | Accuracy (95% CI) |
|---|---|---|---|---|---|---|
Pooled | 40 | 0.71 (0.69–0.72) | 0.85 (0.84–0.86) | 4.80 (3.33–6.78) | 0.33 (0.25–0.41) | 82.5 (81.9–83.0) |
Emergency physician | 14 | 0.71 (0.67–0.74) | 0.92 (0.90–0.93) | 10.40 (4.80–20.3) | 0.32 (0.21–0.46) | 84.3 (83.2–85.4) |
Surgeon | 3 | 0.79 (0.71–0.85) | 0.76 (0.69–0.81) | 5.51 (1.58–16.40) | 0.28 (0.17–0.48) | 83.4 (79.7–87.3) |
Radiologist | 18 | 0.68 (0.66–0.71) | 0.87 (0.86–0.88) | 4.50 (2.83–6.87) | 0.35 (0.23–0.49) | 77.4 (76.0–78.8) |