Effectiveness of Clinical Decision Tools in Predicting Pulmonary Embolism

Table 3

Wells criteria, revised Geneva score, and D-Dimer association with CTA. Median (range), (%).

	CTA result
Variable	Positive	Negative	value
Wells criteria	1.5 (0.0, 9.0)	0.0 (0.0, 7.5)	<0.001
Wells criteria (D-Dimer cutoff 500)			<0.001
CTA	28 (87.5)	63 (41.2)
No CTA	4 (12.5)	90 (58.8)
Missing	16	191
Revised Geneva score	5.5 (0.0, 12.0)	4.0 (0.0, 12.0)	0.02
Revised Geneva score (D-Dimer cutoff 500)			0.033
CTA	8 (29.6)	25 (12.0)
No CTA	19 (70.4)	183 (88.0)
Missing	21	136
D-Dimer	1066.0 (273.0, 15180.0)	394.0 (150.0, 8653.0)	<0.001
D-Dimer			0.046
≤300	1 (4.8)	32 (25.8)
>300	20 (95.2)	92 (74.2)
Missing	27	220