Table 5 Estimated annual number of CT examinations for men (a) and for women (b) in Japan for each age range and anatomical locations scanned (*106).
| Â | Age range (yo) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
CT examination | 0-19 | 20-29 | 30-39 | 40-49 | 50-59 | 60-69 | 70-79 | 80- | Total |
Head | 0.10 | 0.17 | 0.23 | 0.29 | 0.50 | 0.73 | 1.14 | 1.34 | 4.50 |
Face | 0.11 | 0.04 | 0.04 | 0.05 | 0.09 | 0.13 | 0.16 | 0.08 | 0.70 |
Neck | 0.00 | 0.08 | 0.27 | 0.59 | 0.97 | 1.14 | 0.96 | 0.50 | 4.51 |
Chest | 0.09 | 0.06 | 0.22 | 0.42 | 0.90 | 1.21 | 1.30 | 1.30 | 5.50 |
Upper abdomen | 0.00 | 0.09 | 0.22 | 0.39 | 0.76 | 1.03 | 1.16 | 0.94 | 4.59 |
Lower abdomen | 0.00 | 0.03 | 0.05 | 0.09 | 0.16 | 0.21 | 0.24 | 0.22 | 1.00 |
Total | 0.30 | 0.47 | 1.03 | 1.83 | 3.38 | 4.45 | 4.96 | 4.38 | 20.80 |