Table 5.
Univariate and multivariate regression analyses for IDH mutation prediction.
Multivariate analysis | ||||||
---|---|---|---|---|---|---|
Univariate analysis | Model 1 | Model 2 | ||||
Variable | OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P |
Age (≤ 45 vs. >45) | 2.655 (1.223–5.765) | 0.014 | 3.232 (1.180–8.854) | 0.023 | ||
Gender (male vs. female) | 0.644 (0.298–1.394) | 0.264 | ||||
Midline structure Involvement (no vs. yes) | 31.635 (7.035–142.248) | 0.000 | 26.523 (5.547–126.831) | 0.000 | 24.461 (5.305–112.789) | 0.000 |
MTV | 0.998 (0.991–1.005) | 0.525 | ||||
TLMU | 0.996 (0.992–1.001) | 0.090 | ||||
TNRmean | 0.093 (0.020–0.435) | 0.003 | ||||
TNRmax | 0.605 (0.427–0.857) | 0.005 | ||||
TNRpeak | 0.574 (0.385–0.856) | 0.007 | ||||
SUVSD | 0.02 (0.003–0.157) | 0.000 | 0.053 (0.006–0.497) | 0.010 | 0.048 (0.006–0.411) | 0.006 |
C–index | 0.866 (0.796–0.937) | 0.843 (0.766–0.920) |