Table 3.

Clinically relevant fractures seen on radiography compared to point-of-care bedside ultrasound and sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of the sonographers and expert in significant fractures

	Sonographer		Expert
	Fracture	No Fracture	Fracture	No Fracture
Fracture Xray	28 (80%)	7 (20%)	29 (83%)	6 (17%)
No fracture Xray	12 (10%)	111 (90%)	1 (1%)	122 (99%)
Sensitivity	80.0% (95% CI 63.0–91.6%)		82.8% (95% CI 66.3–93.4%)
Specificity	90.3% (95% CI 83.7–94.9%)		99.2% (95% CI 95.5–99.9%)
PPV	70.0% (95% CI 57.0–80.3%)		96.7% (95% CI 80.3–99.5%)
NPV	94.1% (95% CI 89.1–96.9%)		95.3% (95% CI 91.0–98.2%)