Table 1.
Parameter | CI | KAP a (Gycm2) |
CDf
b
(mGy) |
CDl
c
(mGy) |
CD (frontal + lateral) mGy |
T d (min) | Ni e | Nr f |
---|---|---|---|---|---|---|---|---|
75 percentile | Stroke | 133.6 | 562.7 | 227.6 | 797.5 | 23 | 749 | 23 |
median | 78 | 378 | 118 | 495.7 | 12 | 442 | 15 | |
min | 12.1 | 41.5 | 10.6 | 52.1 | 1 | 20 | 3 | |
max | 403.3 | 1584 | 494.4 | 2009.3 | 48 | 2053 | 41 | |
75 percentile | Aneurysm | 124 | 881.6 | 282.2 | 1171 | 35 | 1374 | 26 |
median | 85 | 611 | 95.5 | 801 | 19.5 | 717 | 19.5 | |
min | 11.3 | 68.3 | 5.7 | 74 | 2 | 164 | 4 | |
max | 625.5 | 4115.2 | 2652 | 6767.2 | 75 | 2588 | 184 | |
75 percentile | AVM | 247.6 | 1575.3 | 758.6 | 2384.7 | 48.8 | 1893 | 36 |
median | 181 | 1144 | 537 | 1872 | 36 | 1375 | 31 | |
min | 36 | 123 | 32 | 204.3 | 4 | 256 | 7 | |
max | 417.2 | 4115 | 2652 | 6767.24 | 87 | 2264 | 59 |
aKAP: Kerma Area Product (sum of KAP of frontal and lateral C-arm units), bCDf: Cumulative dose (frontal X-ray tube), cCDl: Cumulative dose (lateral X-ray tube), dT: Fluoroscopy time, eNi:total number of images, fNr: Total number of runs.