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Table 4 Patient prior CT scans of the abdomen/pelvis

From: CT imaging history for patients presenting to the ED with renal colic--evidence from a multi-hospital database

Number of prior CT scans Frequency Percent
0 95 45
1 46 22
2 17 8
3 11 5
4 6 3
5 2 1
6 1 0.5
7 6 3
12 1 0.5
13 12 6
14 3 1
20 1 0.5
23 2 1
24 5 2
25 4 2
26 1 0.5
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BMC Emergency Medicine

ISSN: 1471-227X

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