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. 2011 Mar;66(3):257–263. doi: 10.1016/j.crad.2010.10.009

Table 2.

Comparison of the prevalence of consolidation and ring/tramline opacities between patient subgroups

In patients
Outpatients (n = 16) p-value
Respiratory (n = 36) Non-respiratory (n = 23)
Consolidation 21/36 (58%) 4/23 (17%) 4/16 (25%) <0.005
Ring/tramlines 21/36 (58%) 15/23 (65%) 6/16 (38%) 0.21a
a

Ring/tramline opacities were significantly more prevalent in the combined group of hospitalized patients [36/59 (61%)] than in outpatients [6/16 (38%); p<0.005].