CT Scans in Young People in Great Britain: Temporal and Descriptive Patterns, 1993–2002

Table 2

Numbers of CT examinations by age and type of examination in patients under 22 years of age in Great Britain, 1993–2002.

	Age at time of examination (years)
Categories	<1	1–4	5–9	10–14	15–19	20-21
	𝑁 (%)	𝑁 (%)	𝑁 (%)	𝑁 (%)	𝑁 (%)	𝑁 (%)
Head & neck	15,921 (73)	40,056 (61)	34,117 (61)	41,539 (59)	53,191 (59)	33,128 (57)
Abdomen & pelvis	1,156 (5)	6,260 (10)	5,080 (9)	6,979 (10)	12,491 (14)	10,230 (18)
Chest	1,739 (8)	5,430 (8)	5,052 (9)	5,823 (8)	8,019 (9)	4,995 (9)
Unknown	1,773 (9)	8,429 (13)	4,916 (9)	4,071 (6)	3,292 (4)	1,551 (3)
Extremity	471 (2)	1,679 (3)	2,352 (4)	5,646 (8)	5,212 (6)	2,485 (4)
Miscellaneous	637 (3)	2,925 (5)	3,253 (6)	4,236 (6)	3,880 (4)	2,815 (5)
Spine	120 (1)	758 (1)	1,159 (2)	2,047 (3)	3,931 (4)	2,494 (4)
Total	21,817 (100)	65,537 (100)	55,929 (100)	70,341 (100)	90,016 (100)	57,698 (100)

Age not known for 221 examinations (139 “Head”, 34 “Abdomen”, 20 “Chest”, 11 “Miscellaneous”, 8 “Extremities”, 5 “Unknown” and 4 “Spine”).