Dual-source (2 × 128 slices)

Single-source (128 slices)

Single-source (16 slices)

All study groups

Lung volume

0.157

0.179

0.278

0.293

Soft tissue, bone volume

0.775

0.736

0.636

0.763

Total patient volume

0.727

0.686

0.623

0.738