Table 2 Morphological index analyses
Morphological index | IAC | MIA | Total | P value |
|---|---|---|---|---|
Tumor location, No. (%) | Â | Â | Â | 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. (%) | Â | Â | Â | 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. (%) | Â | Â | Â | 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. (%) | Â | Â | Â | 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. (%) | Â | Â | Â | 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. (%) | Â | Â | Â | 0.446 |
 Positive | 11 (20.75) | 7 (14.89) | 18 (18.00) |  |
 Negative | 42 (79.25) | 40 (85.11) | 82 (82.00) |  |