Table 3 Regression equation of physical parameters with Dw.

From: Body physical parameters instead of water equivalent diameter to calculate size-specific dose estimate in adult chest CT

 

Overall patients

Male patients

Female patients

Regression equation of weight with Dw

13.88 + (0.168 × weight)

12.455 + (0.186 × weight)

12.38 + (0.201 × weight)

Regression equation of BMI with Dw

10.25 + (0.618 × BMI)

10.145 + (0.637 × BMI)

11.343 + (0.554 × BMI)

  1. Dw stands for water equivalent diameter.