Table 4
Comparing GPs' probability estimates with the Oudega rule.
Oudega
Oudega
score ≤3
score ≥4
Patients with DVT
GP estimate <10%
1
2
GP estimate 10-20%
0
4
GP estimate >20%
6
123
Patients without DVT
GP estimate <10%
186
25
GP estimate 10-20%
113
23
GP estimate >20%
194
325
DVT = deep venous thrombosis.