表 1.
IAC与非IAC组患者各因素对比
Comparison of factors between IAC and non IAC patients
| Factors | Pathological type | χ2/t/U | P | ||
| Non-IAC (n=316) | IAC (n=470) | ||||
| Gender | Male | 31 (9.8%) | 47 (10.0%) | 0.008 | 0.930 |
| Female | 285 (90.2%) | 423 (90.0%) | |||
| Age (yr) | 50.31±11.36 | 58.40±10.62 | 10.179 | < 0.001 | |
| Nodule volume (mm3) | 346.60 (207.33, 618.08) | 1, 298.15 (661.10, 2, 737.40) | 25, 791.500 | < 0.001 | |
| Solid partial volume (mm3) | 9.45 (0.23, 40.33) | 257.60 (66.28, 778.58) | 20, 336.000 | < 0.001 | |
| Proportion of solid component volume (%) | 2.50 (0.10, 9.75) | 21.45 (8.28, 46.75) | 29, 677.500 | < 0.001 | |
| Average CT value (Hu) | -613.05 (-676.10, -536.35) | -485.35 (-591.23, -331.15) | 39, 520.000 | < 0.001 | |
| Nodule diameter (mm) | 9.95 (8.30, 12.20) | 16.85 (12.20, 21.80) | 25, 744.500 | < 0.001 | |
| Solid component diameter (mm) | 1.65 (0.00, 4.10) | 8.13 (4.00, 14.20) | 25, 846.500 | < 0.001 | |
| Mediastinal window nodule diameter (mm) | 0.00 (0.00, 0.00) | 4.80 (0.00, 10.53) | 32, 797.000 | < 0.001 | |
| CTR (%) | 17.34 (0.00, 39.62) | 52.67 (28.07, 79.83) | 35, 848.000 | < 0.001 | |
| TDR (%) | 100.00 (100.00, 100.00) | 69.44 (39.57, 100.00) | 35, 448.500 | < 0.001 | |