Table 3. Pearson Correlation Coefficients (R) between Patient-Related Parameters and Radiation Dose Parameters.

	CTDIvol before CT Scan	CTDIvol after CT Scan	Effective mAs	Quality Reference mAs
Aw
Group 1	0.88 (p < 0.0001)	0.87 (p < 0.0001)	0.88 (p < 0.0001)	0.56 (p = 0.0001)
Group 2	0.94 (p < 0.0001)	0.86 (p < 0.0001)	0.86 (p < 0.0001)	0.06 (p = 0.7)
Abody
Group 1	0.80 (p < 0.0001)	0.79 (p < 0.0001)	0.80 (p < 0.0001)	0.53 (p = 0.0003)
Group 2	0.87 (p < 0.0001)	0.83 (p < 0.0001)	0.83 (p < 0.0001)	0.06 (p = 0.7)
Dbody
Group 1	0.47 (p = 0.002)	0.46 (p = 0.002)	0.46 (p = 0.002)	0.03 (p = 0.8)
Group 2	0.22 (p = 0.2)	0.02 (p = 0.9)	0.02 (p = 0.9)	0.04 (p = 0.8)
AP
Group 1	0.82 (p < 0.0001)	0.81 (p < 0.0001)	0.81 (p < 0.0001)	0.69 (p < 0.0001)
Group 2	0.89 (p < 0.0001)	0.82 (p < 0.0001)	0.82 (p < 0.0001)	0.04 (p = 0.8)
Deff
Group 1	0.80 (p < 0.0001)	0.79 (p < 0.0001)	0.80 (p < 0.0001)	0.53 (p = 0.0003)
Group 2	0.80 (p < 0.0001)	0.80 (p < 0.0001)	0.80 (p < 0.0001)	0.23 (p = 0.2)
LAT
Group 1	0.49 (p = 0.0009)	0.50 (p = 0.0008)	0.50 (p = 0.0007)	0.11 (p = 0.5)
Group 2	0.54 (p = 0.0002)	0.59 (p < 0.0001)	0.59 (p < 0.0001)	0.31 (p = 0.052)
Age
Group 1	0.71 (p < 0.0001)	0.69 (p < 0.0001)	0.70 (p < 0.0001)	0.40 (p = 0.009)
Group 2	0.77 (p < 0.0001)	0.74 (p < 0.0001)	0.74 (p < 0.0001)	0.04 (p = 0.8)