Skip to main content

Advertisement

Table 1 Mean, standard deviation, minimum and maximum volume difference between the automatic methods, and the reference standard

From: Automatic delineation of functional lung volumes with 68Ga-ventilation/perfusion PET/CT

   5% 10% 15% 20% 25% 30% 40% 50%
Ventilation Mean 15.6 8.6 − 0.4 − 11.4 − 23.2 − 35.4 − 53.5 − 66.3
Std deviation 15.1 14.4 15.6 19.6 22.3 24.5 24.0 22.4
Minimum − 0.4 − 12.9 − 40.4 − 66.3 − 80.8 − 87.3 − 90.4 − 92.9
Maximum 55.7 46.4 33.0 23.2 10.9 1.5 − 12.5 − 24.1
Perfusion Mean 17.7 10.7 3.3 − 4.1 − 12.1 − 20.9 − 37.0 − 52.2
Std deviation 15.7 13.4 12.5 11.9 11.4 11.6 10.5 12.56
Minimum − 4.4 − 8.2 − 18.6 − 28.4 − 38.3 − 47.7 − 63.4 − 78.2
Maximum 55.9 46.1 35.5 24.0 11.3 − 0.3 − 18.1 − 29.1
  1. Results are expressed as percentage of the whole lung