Table 1. Patient and scan information.

	Value (n=33)
Age (years)	5.85±4.16 [4 month – 13 years]
Sex (male/female)	14/19
Tube voltage (kV)	70
Noise index (NI) setting, n (%)
NI=11 (0–1 years)	7 (21.2)
NI=13 (1–7 years)	13 (39.4)
NI=15 (7–18 years)	13 (39.4)
CTDIvol (mGy)	1.37±0.29 [0.90–2.03]
DLP (mGy·cm)	35.43±10.59 [23.66–60.00]
Contrast dose (mL)	25.43±13.32 [8–56]

Values are represented as mean ± SD [range] or n (%).