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Table 4 Redundant PFTs

From: The optimization of the diagnostic work-up in patients with suspected obstructive lung disease

Redundant PFT Control group Experimental group
  Number (%) Cost in € Number (%) Cost in €
Histamine provocation test 19 (22) 1596 1 (1) 84
Reversibility testing 30 (35) 540 1 (1) 18
TLC 30 (35) 1230 3 (3) 123
Diffusion capacity for CO 24 (28) 984 2 (2) 82
Totals 103 (120) 4323 7 (8) 307