Comparing Dorsal Tangential and Lateral Views of the Wrist for Detecting Dorsal Screw Penetration after Volar Plating of Distal Radius Fractures

Table 2

Composite sensitivity and specificity of the lateral and DT views.

(a) Lateral view

		Actual screw prominence
		Prominent	Not prominent
Survey response	Prominent	212	128
	Not prominent	8	22
		Sensitivity	96.4%
		Specificity	14.7%
		PPV	62.4%
		NPV	73.3%

(b) DT view

		Actual screw prominence
		Prominent	Not prominent
Survey response	Prominent	274	71
	Not prominent	8	21
		Sensitivity	97.2%
		Specificity	22.8%
		PPV	79.4%
		NPV	72.4%