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The number of included patients examined with the different modalities during January, February, and March in the years 2000, 2002, and 2004.
| Method | 2000 | 2002 | 2004 | Total |
|---|---|---|---|---|
| Abdominal plain film | 82 | 2 | 2 | 86 |
| Standard-dose computed tomography | 0 | 45 | 15 | 60 |
| Low-dose computed tomography | 0 | 0 | 76 | 76 |
