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Table 2 Demographic characteristics of patients in the control and intervention groups.

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

  Control n = 185 Intervention n = 745
Age 56.2 (SD 18.4) 55.0 (SD 19.1)
Gender (% male) 40.5 42.9
Positive diagnosis of PE on imaging* (%) 12.0 9.5
  1. SD = standard deviation
  2. *positive diagnosis of PE on imaging is derived from high probability VQ or positive CTPA or positive lower limb venous ultrasound.