CT Scans in Young People in Great Britain: Temporal and Descriptive Patterns, 1993–2002
Table 3
Numbers of multiple examinations per patient, by sex.
No. of examinations
Total patients
Males
Females
(%)
(%)
(%)
1
132,962 (71)
75,658 (70)
59,061 (72)
2
34,419 (18)
19,682 (19)
14,691 (18)
3
8,837 (5)
5,308 (5)
3,511 (4)
4
4,822 (3)
2,888 (3)
1,923 (2)
5
2,113 (1)
1,260 (1)
849 (1)
6
1,362 (0.7)
811 (0.8)
549 (0.7)
7
764 (0.4)
474 (0.5)
287 (0.4)
8
614 (0.3)
380 (0.4)
232 (0.3)
9
374 (0.2)
217 (0.2)
157 (0.2)
10
294 (0.2)
176 (0.2)
118 (0.1)
11–20
928 (0.5)
554 (0.5)
372 (0.5)
>20
149 (0.1)
88 (0.1)
61 (0.1)
Total
187,638 (100)
105,496 (100)
81,811 (100)
331 patients were of unknown sex (243 had one examination, 46 had two examinations, 18 had three examinations, 11 had four examinations, and no patients of unknown sex had over 20 examinations).
