Fig. 1
From: Different chest HRCT scan protocols change the extent of ground glass opacities
a Total Warrick score for all participants by scan method. Two participants had identical Warrick scores on all scans (score 7 on supine, 5 on prone, 5 on post-positive expiratory pressure (PEP)). Scores for the prone scans and post-PEP scans were significantly lower compared to the supine scans, but no statistically significant difference was seen between prone scans and post-PEP scans. b Data presented as a box-and-whisker graph