Table 3.

Samples from Error Analyses

Tool	False Positive	False Negative
SQLServer	“r/o fracture”	“Orthopedic external stabilization device through the proximal and mid tibia and fibula with comminuted fractures.… Proximal left fibular fracture also not appreciably changed. Left ankle soft tissue swelling. Man-to-man left ankle degenerative change. Overlying opaque material distal left fibular deformity on lateral view without acute fracture line visualized. Mild bony demineralization suspected.
NegEx	“Neither side shows fracture”	“Possible stress fracture of 1st metatarsal bone.”
	“The study fails to demonstrate evidence of acute fracture or dislocation.”