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Table 4 CT Brain Studies with Effective Doses within the Reference Levels Recommended by ICRP 60 and 103

From: Differences in radiation dose for computed tomography of the brain among pediatric patients at the emergency departments: an observational study

Age Group ICRP 60 ICRP 103
Pediatric ED (n = 379) General EDs (n = 100) Pediatric ED (n = 379) General EDs (n = 100)
≤6 months 15 (4.0) 0 (0) 6 (1.6) 0 (0)
> 6 months to ≤3 years 47 (12.4) 2 (2.0) 3 (0.8) 0 (0)
> 3 years to ≤6 years 53 (14.0) 2 (2.0) 1 (0.3) 0 (0)
> 6 years to ≤10 years 62 (16.4) 8 (8.0) 0 (0) 0 (0)
> 10 years 39 (10.3) 5 (5.0) 3 (0.8) 0 (0)