Modeling dosimetric predictors of hematological toxicity in the training cohort
hematological toxicity, HT
REGRESSION
The VB radiation dosimetric parameters of all patients treated with nCRT from two centers are summarized in Table 
The vertebral body dosimetric parameters (mean ± SD)VBV (cm³)Dmin (cGy)Dmax (cGy)Dmean (cGy)VVVVVV131 ± 27.8179.7 ± 78.74834.7 ± 158.62830.5 ± 313.385.3 ± 5.479.9 ± 5.771.9 ± 6.958.3 ± 10.726.4 ± 11.39.1 ± 6.5120.6 ± 31.3240.8 ± 81.34740.7 ± 140.72624.4 ± 338.487.3 ± 7.278.9 ± 5.467.8 ± 8.949.4 ± 13.017.4 ± 12.04.3 ± 5.70.2640.3680.3070.3580.8320.9430.3670.0490.5620.121SD, standard deviation; VBV, vertebral body volume; DThe dose-volume metrics of the VB were entered into UVA in the training cohort. The results showed that increased D
Univariate and multivariate logistic regression analysisVVVVVV1.353 (1.179–1.553)1.287 (1.133–1.462)1.171 (1.057–1.297)1.071 (1.002–1.145)1.041 (0.986–1.098)1.037 (0.951–1.132)0.0000.0000.0030.0430.1470.411VVVVVV1.353 (1.179–1.553)1.287 (1.133–1.462)1.171 (1.057–1.297)1.071 (1.002–1.145)1.041 (0.986–1.098)1.037 (0.951–1.132)0.0000.0000.0030.0430.1470.411VBV (cm³)Dmin (cGy)Dmax (cGy)Dmean (cGy)1.004 (0.985–1.024)1.004 (0.998–1.010)0.999 (0.996–1.003)1.000 (0.998–1.002)0.6730.1880.6070.787VVVVVV1.192 (1.074–1.324)1.115 (1.015–1.244)0.996 (0.919–1.081)0.986 (0.937–1.037)0.986 (0.938–1.036)0.964 (0.875–1.061)0.0010.0220.9300.5830.5770.452VBV (cm³)Dmin (cGy)Dmax (cGy)Dmean (cGy)1.003 (0.985–1.023)1.003 (0.998–1.009)0.996 (0.993-1.000)0.999 (0.997–1.001)0.7190.2740.0550.276VVVVVV1.077 (0.982–1.182)1.044 (0.955–1.141)0.985 (0.912–1.063)0.967 (0.923–1.014)0.967 (0.921–1.015)0.968 (0.884–1.059)0.1170.3460.6920.1640.1730.474UVA, univariate logistic regression; MVA, multivariate logistic regression; OR, odds ratio; CI, confidence interval; HT, hematological toxicity
Spearman correlation analysis between VBased on the results of MVA, the ROC curve was generated to identify the optimal cut-off values of V
(