Table 4
Bayesian analysis of
d
-dimer results
+
d
-dimer post-test
−
d
-dimer post-test
Pretest probability of DVT (Wells)
Pretest odds
Odds
Probability
Odds
Probability
Low—3.0%
1:32.3
1:12.8
7.2%
1:65.9
1.5%
Mod—16.6%
1:5.0
1:2.0
33.3%
1:10.2
8.9%
High—74.6%
2.9:1
7.3:1
88.0%
1.4:1
58.3%