Table 4.
Univariate and multivariate analyses
| Variables | Univariate Analyses | Multivariate Analyses | ||
|---|---|---|---|---|
| OR (95% CI) | P-value | OR (95% CI) | P-value | |
| Age (year) | 1.447 (0.914 ~ 2.290) | 0.115 | / | / |
| Sex | 1.158 (0.736 ~ 1.821) | 0.526 | / | / |
| Smoking | 0.896 (0.566 ~ 1.419) | 0.640 | / | / |
| Maximum diameter (mm) | 2.279 (1.224 ~ 4.245) | 0.009 | / | / |
| SUVmax | 9.892 (3.253 ~ 30.082) | < 0.001 | 61.636 (5.636 ~ 674.116) | 0.001 |
| MTV (ml) | 4.330 (1.184 ~ 15.832) | 0.027 | / | / |
| TLG (g) | 31.119 (2.786 ~ 347.591) | 0.005 | / | / |
| ADC (× 10−3mm2/s) | 0.128 (0.050 ~ 0.329) | < 0.001 | 0.017 (0.002 ~ 0.181) | 0.001 |
| DDC (× 10−3mm2/s) | 0.406 (0.226 ~ 0.728) | 0.002 | / | / |
| α | 3.696 (1.816 ~ 7.522) | < 0.001 | / | / |
| MTRasym(3.5 ppm) (%) | 2.085 (1.142 ~ 3.804) | 0.017 | 11.178 (1.378 ~ 90.661) | 0.024 |
Both univariate and multivariate analyses were conducted using the forward LR method
SUVmax Maximum standardized uptake value, MTV Metabolic tumor volume, TLG Total lesion glycolysis, ADC Apparent diffusion coefficient, DDC Distributed diffusion coefficient, α Diffusion heterogeneity index, MTRasym (3.5 ppm) Magnetization transfer ratio asymmetry at 3.5 ppm, OR Odds ratio; *OR for per 1 standard deviation, CI Confidence interval