Table 4. Logistic regression analyses for identifying high- and low-grade EA.
| Parameters | Univariate analyses | Multivariate analyses | |||
|---|---|---|---|---|---|
| OR (95% CI) | P value | OR (95% CI) | P value | ||
| Age (year) | 1.181* (0.736–1.896) | 0.491 | – | – | |
| Tumor size (mm) | 1.521* (0.949–2.436) | 0.081 | 1.553* (0.763–3.161) | 0.255 | |
| FIGO stage | 1.560 (1.247–1.950) | <0.001 | 1.113 (0.825–1.502) | 0.482 | |
| MTRasym (3.5 ppm) (%) | 3.083* (1.663–5.716) | <0.001 | 2.509* (1.052v5.985) | 0.038# | |
| ADC (×10−3 mm2/s) | 0.394* (0.214–0.725) | 0.003 | 1.258* (0.451–3.513) | 0.661 | |
| D (×10−3 mm2/s) | 0.178* (0.078–0.406) | <0.001 | 0.152* (0.034–0.677) | 0.013# | |
| D* (×10−3 mm2/s) | 0.872* (0.538–1.412) | 0.576 | – | – | |
| F (%) | 1.985* (1.130–3.485) | 0.017 | 1.789* (0.783–4.087) | 0.168 | |
| DDC (×10−3 mm2/s) | 0.481* (0.281–0.823) | 0.008 | 1.884* (0.688–4.871) | 0.284 | |
| α | 3.631* (1.775–7.428) | <0.001 | 1.830* (0.754–5.241) | 0.226 | |
*, OR for per 1 standard deviation. #, statistically significant. All factors with P<0.1 in univariate analyses were included in multivariate regression analyses. MTRasym (3.5 ppm), magnetization transfer ratio asymmetry; ADC, apparent diffusion coefficient; D, diffusion coefficient; D*, pseudo-diffusion coefficient; f, perfusion fraction; DDC, distributed diffusion coefficient; α, water molecular diffusion heterogeneity index; OR, odds ratio; CI, confidence interval.