Table 4.

Specific frame method performance. Frame building performance on each question versus the reference standard

	Q1: Personal history of ancillary cancer?		Q2: Family history of cancer?
	Dynamic-window	ConText	Dynamic-window	ConText
Accuracy	0.957	0.937	0.967	0.987
	(0.927, 0.975)	(0.903, 0.959)	(0.940, 0.982)	(0.966, 0.995)
Precision	0.885	0.789	0.900	0.964
	(0.782, 0.943)	(0.680, 0.868)	(0.821, 0.947)	(0.900, 0.988)
Recall	0.900	0.933	0.988	0.988
	(0.799, 0.953)	(0.841, 0.974)	(0.934, 0.998)	(0.934, 0.998)
F-measure	0.893	0.855	0.942	0.976
Avg kappa (ref std)	0.883		0.972