Common use of Materials and Methods Clause in Contracts

Materials and Methods. Patients Imaging Technique Image and Data Analysis The images and data obtained were anonymized and transferred to an image-processing workstation (Advantage Windows 4.2, GE Health- care). CTP data were analyzed by 3 independent readers, 2 expert and the other inexperienced in CTP imaging. Before their CTP analyses for this study, the first expert reader (expert reader A) had 5 years’ experience in CTP imaging, whereas the second expert reader (expert reader B) had 13 years’ experience in head and neck CT imaging and 3 years’ experience in CTP imaging. Each performed a first CTP anal- ysis en masse after all the data were collected and a repeated CTP analysis on the same anonymous dataset during a period ranging from 4 to 8 weeks (median, 6.8 and 6.5 weeks for expert readers A and B respectively), to allow evaluation of intraobserver agreement.