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Table 1 characteristics of patients with pre-invasive (AIS,MIA) and invasive adenocarcinoma(IAC)

From: The feasibility of non-contrast enhanced plus contrast-enhanced computed tomography in discriminating invasive pure ground-glass opacity from pre-invasive pure ground-glass opacity

  total preinvasive invasive
Sex
 male 35 16 19
 female 55 26 29
 Median age 55.83 ± 9.99 56.29 ± 10.07 55.44 ± 9.39
Type of pathology
 AIS 20 20  
 MIA 22 22  
 IAC 48   48
 Volume   0.85 ± 1.00 2.42 ± 2.11