Effectiveness of Clinical Decision Tools in Predicting Pulmonary Embolism

Table 4

Demographics, Wells criteria, revised Geneva score, and D-Dimer median (range), (%).

Variable	Summary
Gender
Male	126 (32.1)
Female	266 (67.9)
Age at CTA	55 (17, 97)
CTA
Negative	344 (87.8)
Positive	48 (12.2)
Wells criteria	1 (0, 9)
Revised Geneva score	4 (0, 12)
Wells criteria (D-Dimer cutoff 500)
CTA	91 (49.2)
No CTA	94 (50.8)
Missing	207
Revised Geneva score (D-Dimer cutoff 500)
CTA	33 (14.0)
No CTA	202 (86.0)
Missing	157
D-Dimer	421 (150, 15180)
≤300	33 (22.8)
>300	112 (77.2)
Missing	247

Cases were considered missing when the data was not complete, i.e., no D-Dimer.