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”).