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

Table 1

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

Categories	All	Males	Females
	𝑁 (%)	𝑁 (%)	𝑁 (%)
Head and neck	218,091 (60)	125,295 (60)	92,424 (60)
Abdomen and pelvis	42,226 (12)	24,020 (12)	18,169 (12)
Chest	31,074 (9)	17,853 (9)	13,200 (9)
Unknown	24,039 (7)	13,668 (7)	10,367 (7)
Extremities	17,853 (5)	10,559 (5)	7,285 (4)
Spine	10,513 (3)	6,493 (3)	3,999 (3)
Miscellaneous	17,763 (5)	9,396 (4)	8,357 (5)
Total	361,559 (100)	207,284 (100)	153,801 (100)

Sex not known for 474 examinations (372 “head,” 37 “abdomen,” 21 each for “chest” and “spine,” 9 “extremities,” 4 “unknown,” and 10 “miscellaneous”).