Review
Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 7, 2014; 20(1): 100-109
Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.100
Table 2 Characteristics of studies included for qualitative analysis
Ref.Study yearCountryStudy sizeInterventionStudy type
BEIR VII report[15]2006United StatesComprehensive review of all relevant biological, physical and epidemiological radiation data
Pearce et al[21]2012United Kingdom178604 for leukaemia and 176587 for brain tumour analysis respectivelyCT scanRetrospective
Woo et al[22]2012Canada1424Pulmonary CT angiographyRetrospective
Meer et al[23]2012United StatesTwo 4-yr cohorts of 5267230 and 5555345CT scanRetrospective
Muchow et al[24]2012United States617Cervical spine multidirectional CTRetrospective
Huda et al[25]2012United StatesCT scan simulation
Perisinakis et al[26]2012GreeceTriple-rule-out 256-slice CT angiography simulation
Zondervan et al[27]2012United States25104Chest and abdomino-pelvic CT scanRetrospective
van Walraven et al[28]2011Canada2569Abdomino-pelvic CT scanRetrospective
Kuhns et al[29]2011United StatesCT scan simulation
Davis et al[30]2011United States205 cases, 333 controlsSurvey asking ionizing radiation exposureCase-control
Berrington de González et al[31]2011United StatesCT colonography simulation
Li et al[32]2011United StatesCT scan simulation
Huda et al[33]2011United StatesCardiac CT angiography simulation
Adams et al[34]2010United States7490Chest radiotherapyProspective cohort
Noor et al[35]2011United Kingdom202Plain X-ray, CT scan, nuclear medicine procedures, cardiac proceduresRetrospective
Perisinakis et al[19]2010GreeceCoronary CT angiography simulation
Faletra et al[36]2010Switzerland72964-slice coronary CT angiographyProspective
Feng et al[37]2010ChinaCT scan simulation
Richards et al[38]2010United KingdomSpine CT simulation
Kim et al[39]2010United StatesCone beam CT simulation in a paediatric population
Smith-Bindman et al[40]2009United States1119CT scanRetrospective
Berrington de González et al[41]2009United States57 million CT scansCT scanRetrospective
Raelson et al[42]2009United States68NeuroangiographyRetrospective
Kim et al[43]2009United StatesMulti-detector CT scan simulation
King et al[44]2009United StatesTwo cohorts of 240 participants respectivelyCT scanRetrospective
Sodickson et al[45]2009United States31462CT scanRetrospective
Griffey et al[46]2009United States130CT scanRetrospective
Huang et al[47]2009Hong KongFluorine 18-fluorodeoxyglucose PET/CT scan simulation
Einstein et al[48]2008United States16-slice CT coronary angiography simulation
Chodick et al[49]2007Israel17686 CT scansCT scanRetrospective
Beyan et al[50]2007Turkey15Radiologic imaging studies in diagnosis and follow-up of Hodgkin’s lymphomaRetrospective
Berrington de González et al[51]2007United StatesCT scan simulation
Blettner et al[52]2007GermanyGlioma and meningioma-747 cases, 1535 controls. Acoustic neuroma-97 cases, 202 controlsInterviews collecting data on diagnostic X-ray examinations, radiotherapy, CT scans, scintigrams and angiographiesCase-control
Einstein et al[53]2007United States64-slice CT coronary angiography simulation
de Jong et al[54]2006NetherlandsCT scan simulation
Brenner et al[55]2004United StatesCT scan simulation
Berrington de González et al[56]2004United KingdomFrequency of X-ray exposure estimated using worldwide survey of medical radiation use between 1991-1996Diagnostic X-raysRetrospective
CT: Computed tomography.