Table 2

The number of quantitative CT imaging datasets according to imaging centres: each dataset contains one inspiration and one expiration scan

ProjectImaging centre (abbreviation)Number of datasets
SubPopulations and InteRmediate Outcome Measures In COPD Study (eight sites)284
Columbia University (CU)61
Johns Hopkins University (JH)24
University of California at Los Angeles (LA, LV)36, 15
(two sites)
University of Michigan (MU)39
University of California at San Francisco (SF)31
University of Utah (UT)59
Wake Forest University (WF)19
Severe Asthma Research Program (three sites)100
University of Pittsburgh (PIT)44
University of Wisconsin (WIS)38
Washington University in Saint Louis (WSL)18