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Table 3 GLM summary including odds ratios (OR) and 95% confidence interval (CI) for the prediction of xerostomia

From: Predicting acute radiation induced xerostomia in head and neck Cancer using MR and CT Radiomics of parotid and submandibular glands

 DVH ModelCT ModelMR ModelClinical + DVH + CT + MR Model
βOR
(95% CI)
βOR
(95% CI)
βOR
(95% CI)
βOR
(95% CI)
Intercept−2.58−9.21 −0.31 −6.54 
Age−0.690.50 (0.47–0.54)
Gender1.092.97 (1.93–4.01)
Tumor Volume0.451.56 (1.56–1.58)
cPG D401.514.57 (4.56–4.58)1.032.79 (2.78–2.79)
cSG D600.601.81 (1.80–1.82)0.631.86 (1.86–1.88)
CT cSG wavelet LLL GLSZM Gray Level Non Uniformity Normalized1.002.73 (−11.3–16.7)0.832.29 (−14.4–19.0)
CT iPG original GLSZM Low Gray Level Zone Emphasis−0.640.53 (−9.0–10.1)− 0.610.55 (−10.4–11.5)
CT iSG wavelet HLL GLCM Inverse Variance0.571.77 (−17.4–20.9)0.361.44 (−21.9–24.8)
CT cPG wavelet LHL Total Energy0.421.53 (1.52–1.54)0.311.36 (1.35–1.37)
CT iSG wavelet HLL GLRLM Long Run High Gray Level Emphasis−0.650.52 (0.51–0.53)−0.690.50 (0.49–0.51)
CT iPG original first order 10 Percentile−0.690.50 (0.49–0.51)−0.380.69 (0.68–0.70)
CT cPG wavelet LHL GLRLM Long Run High Gray Level Emphasis0.431.54 (1.53–1.55)0.491.63 (1.62–1.64)
MR cPG shape Least Axis Length0.982.66 (2.59–2.73)0.842.32 (2.23–2.42)
MR iSG wavelet LHH GLSZM Gray Level Non Uniformity Normalized−0.650.52 (−26.2–27.2)−0.920.40 (−33.8–34.6)
MR iSG wavelet LHH GLSZM Small Area High Gray Level Emphasis1.173.22 (3.20–3.23)1.283.59 (3.57–3.61)
MR iPG wavelet LHL GLSZM Small Area High Gray Level Emphasis−0.690.50 (0.48–0.52)−0.720.49 (0.47–0.51)
MR iSG wavelet LLH GLSZM Size Zone Non Uniformity Normalized−0.360.70 (−9.75–11.2)− 0.430.65 (−12.3–13.6)
  1. iPG ipsilateral parotid gland, cPG contralateral parotid gland, iSG ipsilateral submandibular gland, cSG contralateral submandibular gland, GLCM gray level co-occurrence matrix, GLSZM gray level size zone matrix, GLRLM gray level run length matrix; bold indicates significant values (p < .05)