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Table 3 Multiple linear regression for the association between the volumes of the upper airways and maxillary sinuses and the linear measurements of the hard palate

From: Do the dimensions of the hard palate have a relationship with the volumes of the upper airways and maxillary sinuses? A CBCT study

Multiple linear regression Factors BC SE CI (95% for B) p-value
Upper airways
Total volume HP width (1st PM) 0.189 0.197 (0.082–0.857) 0.018*
HP height (1st PM) − 0.121 0.147 (− 0.595–− 0.017) 0.038*
HP width (1st M) − 0.042 0.159 (− 0.398–0.228) 0.593
Nasopharynx volume HP width (1st PM) 0.198 0.083 (0.045–0.373) 0.013*
HP height (1st PM) − 0.123 0.062 (− 0.255–− 0.009) 0.035*
HP width (1st M) − 0.033 0.068 (− 0.162–0.104) 0.669
Oropharynx volume HP width (1st PM) 0.132 0.105 (0.032–0.446) 0.024*
HP height (1st PM) − 0.096 0.107 (− 0.386–0.034) 0.100
Maxillary sinuses
Total volume HP width (1st M) 0.291 0.173 (0.486–1.169) p < 0.0001*
HP height (1st M) 0.358 0.229 (0.895–1.798) p < 0.0001*
  1. HP Hard palate
  2. 1st PM Region of the first premolars
  3. 1st M Region of the first molars
  4. BC Beta coefficient
  5. SE Standard error
  6. CI 95% Confidence interval for beta
  7. *Significant association (p < 0.05), according to Multiple linear regression