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Table 2

Median, mean and third quartile values for K, KAP, T, and N.

Procedure Number of exams K (mGy) KAP (μGym2) T (minutes) Number of Exposures




    Mean Median Q Mean Median Q Mean Median Q Mean Median Q
Coronary percutaneous transluminal angioplasty, stent placement, or radiofrequency ablation 526 151.2 28.0 136.0 3275.2 625.0 2983.0 22.9 8.2 20.2 45.5 5.5 15.0
Lower limb arteriography 386 145.2 83.00 171.0 4407.7 2887.0 5967.7 5.9 3.8 7.4 6.0 5.0 7.0
Head and/or neck angiography 168 690.6 645.5 833.0 12260.0 11882.0 16391.0 20.9 16.2 28.0 43.0 18.5 23.0
Coronary angiography (diagnostic) 122 770.4 531.0 787.0 4905.9 4343.0 5798.0 5.2 3.3 6.7 11.6 9.0 13.0
Pelvic vein embolization 48 758.2 406.0 1076.0 13769.1 13590.0 22071.0 23.7 12.1 28.7 12.9 9.0 18.5
Thoracic angiography of pulmonary artery or aorta 38 1286.1 871.0 1648.0 30306.8 28697.0 45749.0 37.3 31.5 43.4 10.9 8.0 11.5
Abdominal angiography or aortography 24 423.7 105.5 288.1 11642.7 3751.5 9809.5 6.3 2.6 8.4 2.9 1.5 2.3
Transjugular intrahepatic portosystemic shunt placement 22 159.5 156.0 222.2 1783.4 1094.5 2535.0 9.9 6.3 15.5 3.2 3.0 3.7

K, Air Kerma (mGy); KAP, Kerma-Area Product (μGym2); T, Procedure duration (minutes); N, Number of exposures.

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