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 |