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Table 1

Volumetric CT dose index (CTDI vol) (mGy) and dose length product (DLP) (mGy.cm) dosimetric indicators for abdominal exams.

Hospital Number of acquisitions CTDIvol per acquisition DLP per acquisition
    75th percentile Range 75th percentile Range
all Hospitals 530 9.4 2.77-18.4 464.65 101.5-907
H1 193 8.6 2.9-15.8 423.8 101.5-757.1
H2 175 11.3 2.9-15.3 517.4 118.2-753
H3 162 9.56 2.77-18.4 472.5 104-907

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