Skip to main content

Table 2 Morphological index analyses

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

Morphological index IAC MIA Total P value
Tumor location, No. (%)     0.671
 Left lung
  Superior lobe 15 (28.30) 11 (23.41) 26 (26.00)  
  Inferior lobe 6 (11.32) 9 (19.15) 15 (15.00)  
 Right lung
  Superior lobe 17 (32.08) 16 (34.04) 33 (33.00)  
  Middle lobe 3 (5.66) 4 (8.51) 7 (7.00)  
  Inferior lobe 12 (22.64) 7 (14.89) 19 (19.00)  
Shape, No. (%)     0.536
 Round and oval 17 (32.08) 18 (38.30) 35 (35.00)  
 irregular 36 (67.92) 29 (61.70) 65 (65.00)  
Tumor-lung interface(clear), No. (%) 31 (58.49) 25 (53.19) 56 (56.00) 0.687
Lobulation sign, No. (%)     0.003
 Positive 29 (54.72) 12 (25.53) 41 (41.00)  
 Negative 24 (45.28) 35 (74.47) 59 (59.00)  
Spiculate margin, No. (%)     0.002
 Positive 32 (60.37) 14 (29.79) 46 (46.00)  
 Negative 21 (39.62) 33 (70.21) 54 (54.00)  
Bubblelike appearance, No. (%)     0.159
 Positive 18 (33.96) 10 (21.28) 28 (28.00)  
 Negative 35 (66.04) 37 (78.72) 72 (72.00)  
Air bronchogram, No. (%)     0.446
 Positive 11 (20.75) 7 (14.89) 18 (18.00)  
 Negative 42 (79.25) 40 (85.11) 82 (82.00)  
  1. IAC Invasive adenocarcinoma, MIA Minimally invasive adenocarcinoma