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Table 1 Patient P-pGGN characteristics

From: Radiomic signature based on CT imaging to distinguish invasive adenocarcinoma from minimally invasive adenocarcinoma in pure ground-glass nodules with pleural contact

Variable IAC(N=53) MIA(N=47) Total P value
Age Median (25th to 75th percentile) years 63.00 (56.00~67.00) 55.50 (44.50~63.50) 60.50 (50.00~66.00) 0.006
Sex/Male No. (%) 16 (30.19) 13 (27.66) 29 (29.00) 0.781
Smoking history, No. (%)     0.719
 Ever smokers 5 (9.43) 3 (6.38) 8 (8.00)  
 Never smokers 48 (90.57) 44 (93.62) 92 (92.00)  
Underlying disease     0.000
Positive
 Bronchitis 1 (1.00) 0 (0.00) 1 (1.00)  
 Pulmonary bullae 7 (7.00) 0 (0.00) 7 (7.00)  
 Emphysema 7 (7.00) 0 (0.00) 7 (7.00)  
 Tuberculosis 0 (0.00) 1 (1.00) 1 (1.00)  
Negative 38 (38.00) 46 (46.00) 84 (84.00)  
  1. IAC Invasive adenocarcinoma, MIA Minimally invasive adenocarcinoma