Table 3

Results of applying the YEARS/D-dimer strategy (N, %, 95% CI)

PENo PETotal
Strategy positive7
58.3
28.6 to 83.5
116
56.0
49.0 to 62.9
123
56.2
49.3 to 62.8
Strategy negative5
41.7
16.5 to 71.4
91
44.0
37.1 to 51.0
96
43.8
37.2 to 50.7
Total12207219
  • PE, pulmonary embolism.