Skip to main content

Table 3 Dose characteristics in the population

From: A dual-modality quantification of scattered radiation from head to female breasts during radiological investigations in a tertiary hospital in Nigeria

X-Ray (CR); Absorbed dose (n = 50) X-Ray (CT); Absorbed dose (n = 50)
Absorbed dose (n = 50) Parameter Range Mean ± SD Mode Absorbed dose (n = 50) Parameter Range Mean ± SD Mode
Right breast/unshielded (mGy) 1.15–3.61 2.42 ± 0.58 1.75 Right breast/unshielded (mGy) 3.65–8.50 5.38 ± 2.11 4.48
Left breast/shielded (mGy) 1.02–2.40 1.35 ± 0.33 1.23 Left breast/shielded (mGy) 2.20–4.13 2.02 ± 0.30 1.82
Dose difference 2.61 (72.3%)    Dose difference 4.37 (51.4%)   
Both breasts 1.02–3.61 1.94 ± 0.63 1.75 Both breasts 2.20–8.50 3.74 ± 2.28 4.48
Variables T-statistics p value Inference Variables T-statistics p value Inference
Paired-sample T test
 Right and left breast dose 10.593 0.001 Significant relationship exists Right and left breast dose 12.522 0.001 Significant relationship exists
Variables r p value Inference Variables r p value Inference
Pearson correlation of dose (n = 50) and biometric parameters to test for nature of relationship
 Left versus right breasts 0.313 0.015 r = mild
p = significant
Left versus right breasts 0.202 0.025 r = mild
p = significant
 Dose versus age 0.072 0.586 Weak Age 0.110 0.344 Weak
 Dose versus weight − 0.012 0.927 Weak Weight 0.052 0.840 Weak
 Dose versus height − 0.034 0.796 Weak Height − 0.020 0.690 Weak
 Dose versus BMI − 0.021 0.872 Weak BMI − 0.102 0.912 Weak