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Table 4 Average costs of diagnostic tests in the control and intervention groups using 85% of MBS fees ($/per patient).

From: Economic evaluation of a clinical protocol for diagnosing emergency patients with suspected pulmonary embolism

  Control n = 185 (95%CI) Intervention n = 745 (95%CI) Mean cost reduction
Clinical costs
D-dimer 6.30 (5.50–7.10) 10.90 (10.60–11.10) -4.60
VQ 235.80 (213.50–258.10) 177.50 (165.40–189.50) 58.30
LLUS 29.60 (21.10–38.10) 25.30 (21.40–29.30) 4.30
CTPA 42.40 (23.00–61.80) 37.10 (28.10–46.20) 5.30
Protocol implementation cost
Preparing protocol materials and conducting training sessions 0 1.60 -1.60
Attending training sessions 0 2.40 -2.40
Total 314.10 (283.00–345.10) 246.80 (228.60–265.00) 59.30